Arabic poses particular challenges to Facebook’s automated systems and human moderators, each of which struggles to understand spoken dialects unique to each country and region, their vocabularies salted with different historical influences and cultural contexts.

The Moroccan colloquial Arabic, for instance, includes French and Berber words, and is spoken with short vowels. Egyptian Arabic, on the other hand, includes some Turkish from the Ottoman conquest. Other dialects are closer to the “official” version found in the Quran. In some cases, these dialects are not mutually comprehensible, and there is no standard way of transcribing colloquial Arabic.

Facebook first developed a massive following in the Middle East during the 2011 Arab Spring uprisings, and users credited the platform with providing a rare opportunity for free expression and a critical source of news in a region where autocratic governments exert tight controls over both. But in recent years, that reputation has changed.

Scores of Palestinian journalists and activists have had their accounts deleted. Archives of the Syrian civil war have disappeared. And a vast vocabulary of everyday words have become off-limits to speakers of Arabic, Facebook’s third-most common language with millions of users worldwide.

For Hassan Slaieh, a prominent journalist in the blockaded Gaza Strip, the first message felt like a punch to the gut. “Your account has been permanently disabled for violating Facebook’s Community Standards,” the company’s notification read. That was at the peak of the bloody 2014 Gaza war, following years of his news posts on violence between Israel and Hamas being flagged as content violations.

Within moments, he lost everything he’d collected over six years: personal memories, stories of people’s lives in Gaza, photos of Israeli airstrikes pounding the enclave, not to mention 200,000 followers. The most recent Facebook takedown of his page last year came as less of a shock. It was the 17th time that he had to start from scratch.

He had tried to be clever. Like many Palestinians, he’d learned to avoid the typical Arabic words for “martyr” and “prisoner,” along with references to Israel’s military occupation. If he mentioned militant groups, he’d add symbols or spaces between each letter.

Other users in the region have taken an increasingly savvy approach to tricking Facebook’s algorithms, employing a centuries-old Arabic script that lacks the dots and marks that help readers differentiate between otherwise identical letters. The writing style, common before Arabic learning exploded with the spread of Islam, has circumvented hate speech censors on Facebook’s Instagram app, according to the internal documents.

But Slaieh’s tactics didn’t make the cut. He believes Facebook banned him simply for doing his job. As a reporter in Gaza, he posts photos of Palestinian protesters wounded at the Israeli border, mothers weeping over their sons’ coffins, statements from the Gaza Strip’s militant Hamas rulers.

Criticism, satire and even simple mentions of groups on the company’s Dangerous Individuals and Organizations list — a docket modeled on the U.S. government equivalent — are grounds for a takedown.

“We were incorrectly enforcing counterterrorism content in Arabic,” one document reads, noting the current system “limits users from participating in political speech, impeding their right to freedom of expression.”

The Facebook blacklist includes Gaza’s ruling Hamas party, as well as Hezbollah, the militant group that holds seats in Lebanon’s Parliament, along with many other groups representing wide swaths of people and territory across the Middle East, the internal documents show, resulting in what Facebook employees describe in the documents as widespread perceptions of censorship.

“If you posted about militant activity without clearly condemning what’s happening, we treated you like you supported it,” said Mai el-Mahdy, a former Facebook employee who worked on Arabic content moderation until 2017.

In response to questions from the AP, Facebook said it consults independent experts to develop its moderation policies and goes “to great lengths to ensure they are agnostic to religion, region, political outlook or ideology.”

“We know our systems are not perfect,” it added.

The company’s language gaps and biases have led to the widespread perception that its reviewers skew in favor of governments and against minority groups.

Former Facebook employees also say that various governments exert pressure on the company, threatening regulation and fines. Israel, a lucrative source of advertising revenue for Facebook, is the only country in the Mideast where Facebook operates a national office. Its public policy director previously advised former right-wing Prime Minister Benjamin Netanyahu.

Israeli security agencies and watchdogs monitor Facebook and bombard it with thousands of orders to take down Palestinian accounts and posts as they try to crack down on incitement.

“They flood our system, completely overpowering it,” said Ashraf Zeitoon, Facebook’s former head of policy for the Middle East and North Africa region, who left in 2017. “That forces the system to make mistakes in Israel’s favor. Nowhere else in the region had such a deep understanding of how Facebook works.”

Facebook said in a statement that it fields takedown requests from governments no differently from those from rights organizations or community members, although it may restrict access to content based on local laws.

“Any suggestion that we remove content solely under pressure from the Israeli government is completely inaccurate,” it said.

Syrian journalists and activists reporting on the country’s opposition also have complained of censorship, with electronic armies supporting embattled President Bashar Assad aggressively flagging dissident content for removal.

Raed, a former reporter at the Aleppo Media Center, a group of antigovernment activists and citizen journalists in Syria, said Facebook erased most of his documentation of Syrian government shelling on neighborhoods and hospitals, citing graphic content.

“Facebook always tells us we break the rules, but no one tells us what the rules are,” he added, giving only his first name for fear of reprisals.

In Afghanistan, many users literally cannot understand Facebook’s rules. According to an internal report in January, Facebook did not translate the site’s hate speech and misinformation pages into Dari and Pashto, the two most common languages in Afghanistan, where English is not widely understood.

When Afghan users try to flag posts as hate speech, the drop-down menus appear only in English. So does the Community Standards page. The site also doesn’t have a bank of hate speech terms, slurs and code words in Afghanistan used to moderate Dari and Pashto content, as is typical elsewhere. Without this local word bank, Facebook can’t build the automated filters that catch the worst violations in the country.

When it came to looking into the abuse of domestic workers in the Middle East, internal Facebook documents acknowledged that engineers primarily focused on posts and messages written in English. The flagged-words list did not include Tagalog, the major language of the Philippines, where many of the region’s housemaids and other domestic workers come from.

In much of the Arab world, the opposite is true — the company over-relies on artificial-intelligence filters that make mistakes, leading to “a lot of false positives and a media backlash,” one document reads. Largely unskilled human moderators, in over their heads, tend to passively field takedown requests instead of screening proactively.

Sophie Zhang, a former Facebook employee-turned-whistleblower who worked at the company for nearly three years before being fired last year, said contractors in Facebook’s Ireland office complained to her they had to depend on Google Translate because the company did not assign them content based on what languages they knew.

Facebook outsources most content moderation to giant companies that enlist workers far afield, from Casablanca, Morocco, to Essen, Germany. The firms don’t sponsor work visas for the Arabic teams, limiting the pool to local hires in precarious conditions — mostly Moroccans who seem to have overstated their linguistic capabilities. They often get lost in the translation of Arabic’s 30-odd dialects, flagging inoffensive Arabic posts as terrorist content 77% of the time, one document said.

“These reps should not be fielding content from non-Maghreb region, however right now it is commonplace,” another document reads, referring to the region of North Africa that includes Morocco. The file goes on to say that the Casablanca office falsely claimed in a survey it could handle “every dialect” of Arabic. But in one case, reviewers incorrectly flagged a set of Egyptian dialect content 90% of the time, a report said.

Iraq ranks highest in the region for its reported volume of hate speech on Facebook. But among reviewers, knowledge of Iraqi dialect is “close to non-existent,” one document said.

“Journalists are trying to expose human rights abuses, but we just get banned,” said one Baghdad-based press freedom activist, who spoke on condition of anonymity for fear of reprisals. “We understand Facebook tries to limit the influence of militias, but it’s not working.”

Linguists described Facebook’s system as flawed for a region with a vast diversity of colloquial dialects that Arabic speakers transcribe in different ways.

“The stereotype that Arabic is one entity is a major problem,” said Enam al-Wer, professor of Arabic linguistics at the University of Essex, citing the language’s “huge variations” not only between countries but class, gender, religion and ethnicity.

Despite these problems, moderators are on the front lines of what makes Facebook a powerful arbiter of political expression in a tumultuous region.

Although the documents from Haugen predate this year’s Gaza war, episodes from that 11-day conflict show how little has been done to address the problems flagged in Facebook’s own internal reports.

Activists in Gaza and the West Bank lost their ability to livestream. Whole archives of the conflict vanished from newsfeeds, a primary portal of information for many users. Influencers accustomed to tens of thousands of likes on their posts saw their outreach plummet when they posted about Palestinians.

“This has restrained me and prevented me from feeling free to publish what I want for fear of losing my account,” said Soliman Hijjy, a Gaza-based journalist whose aerials of the Mediterranean Sea garnered tens of thousands more views than his images of Israeli bombs — a common phenomenon when photos are flagged for violating community standards.

During the war, Palestinian advocates submitted hundreds of complaints to Facebook, often leading the company to concede error and reinstate posts and accounts.

In the internal documents, Facebook reported it had erred in nearly half of all Arabic language takedown requests submitted for appeal.

“The repetition of false positives creates a huge drain of resources,” it said.

In announcing the reversal of one such Palestinian post removal last month, Facebook’s semi-independent oversight board urged an impartial investigation into the company’s Arabic and Hebrew content moderation. It called for improvement in its broad terrorism blacklist to “increase understanding of the exceptions for neutral discussion, condemnation and news reporting,” according to the board’s policy advisory statement.

Facebook’s internal documents also stressed the need to “enhance” algorithms, enlist more Arab moderators from less-represented countries and restrict them to where they have appropriate dialect expertise.

“With the size of the Arabic user base and potential severity of offline harm … it is surely of the highest importance to put more resources to the task to improving Arabic systems,” said the report.

But the company also lamented that “there is not one clear mitigation strategy.”

Meanwhile, many across the Middle East worry the stakes of Facebook’s failings are exceptionally high, with potential to widen long-standing inequality, chill civic activism and stoke violence in the region.

“We told Facebook: Do you want people to convey their experiences on social platforms, or do you want to shut them down?” said Husam Zomlot, the Palestinian envoy to the United Kingdom, who recently discussed Arabic content suppression with Facebook officials in London. “If you take away people’s voices, the alternatives will be uglier.”

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