In the final days before Brazil's presidential run-off, two rival campaigns have turned to the country's highest electoral court with mirror-image accusations, each claiming that the platforms through which modern politics now breathes have tilted the field. Lula's team says Meta curtailed content in a way that lifted Flávio Bolsonaro, while Bolsonaro's side points to the government's own mass messaging as the true distortion. Meta insists it favoured neither, even as UN experts voice unease about unequal reach across its platforms. As a near-tie approaches on Sunday, the question is no longer
Lula seeks to disqualify Flávio Bolsonaro over alleged Meta interference before Brazil's run-off
In a race this narrow, the way those questions are answered could shape the result
Mark
Two campaigns, two disqualification petitions, four days out. What's actually being alleged?
Mimi
Lula's side says Meta limited content in a way that helped Flávio Bolsonaro. Bolsonaro's side says the government used personal data from official databases to send mass WhatsApp messages promoting social programmes.
Mark
And Meta's position?
Mimi
It denies treating the campaigns unequally, and says it will obey a Brazilian court order to treat both equally.
Luke
Worth separating what's established from what's alleged. The petitions are claims filed with the court. The article doesn't say the TSE has ruled or found anything.
Mark
But the UN experts weighed in too.
Mimi
They said they were concerned about reports of discrepancies, and cited interrupted accounts, differences in reach and restricted Instagram posts.
Luke
Note the wording, though: concern about reports, and information that suggests accounts were curtailed. Also, the quoted passage says "one side" without naming it. I wouldn't read that as confirming Lula's specific claim.
Mark
Is it one-directional, then?
Mimi
No. Lula's campaign earlier complained that Bolsonaro-related content was boosted, and users reported Meta's AI tools wouldn't generate images related to Lula. Those are user reports.
Luke
Right, and the source doesn't say how many users or whether Meta explained it. That's unknown.
Mark
Why does it matter so much now?
Mimi
Bolsonaro won the first round narrowly but fell short of 50%, and polls show the run-off nearly tied among 159 million voters.
El Pulso
- Lula's campaign has asked the electoral court to disqualify Flávio Bolsonaro, accusing Meta of quietly throttling content to lift his bid four days before the vote.
- Bolsonaro has fired back with his own petition, accusing the government of using official databases to flood WhatsApp with social programme messages.
- UN experts have flagged uneven campaign reach on Meta's platforms, citing interrupted accounts, restricted Instagram posts and divergent view counts.
- With polls showing a near-tie and 159 million voters heading to the run-off, the court's rulings and Meta's compliance could decide whether the result is accepted.
In the final days before Brazil's presidential run-off, two rival campaigns have turned to the country's highest electoral court with mirror-image accusations, each claiming that the platforms through which modern politics now breathes have tilted the field. Lula's team says Meta curtailed content in a way that lifted Flávio Bolsonaro, while Bolsonaro's side points to the government's own mass messaging as the true distortion. Meta insists it favoured neither, even as UN experts voice unease about unequal reach across its platforms. As a near-tie approaches on Sunday, the question is no longer only who will win, but whether a narrow result can be trusted by those who lose it.
On Wednesday, with four days left before Brazil's presidential run-off, President Luiz Inácio Lula da Silva's campaign asked the Superior Electoral Court to disqualify his challenger, Flávio Bolsonaro. The accusation is that Meta, the company behind WhatsApp, Instagram and Facebook, limited content in a way that boosted Bolsonaro's campaign, and the petition asks for investigations into him and his vice-presidential candidate, plus eight years of ineligibility.
Meta rejects the charge. It says it did not act to favour either side and will comply with a Brazilian court order requiring equal treatment of both candidates.
The same day, UN experts raised concerns about discrepancies in how each campaign could reach voters, citing interrupted accounts, restricted posts and differences in engagement and reach. Their report did not name which side was affected. Lula's campaign had earlier made the reverse complaint, and users have reported that Meta's AI tools were not generating images of Lula.
Bolsonaro responded with his own petition, accusing Lula of misusing government data to send mass WhatsApp messages promoting social programmes. Bolsonaro, son of the convicted former president Jair Bolsonaro, narrowly led the first round on 4 October but fell short of an outright majority.
Now the court must weigh both petitions in the few days remaining, and Meta's compliance will be watched closely. With the race as tight as the clock, how these questions are settled may matter as much to acceptance of the result as to the result itself.
On Wednesday, with four days left before Brazil's presidential run-off, President Luiz Inácio Lula da Silva's campaign filed a petition with the country's top electoral court asking that his challenger, Flávio Bolsonaro, be disqualified. The grounds: alleged interference by Meta, the company behind WhatsApp, Instagram and Facebook.
The petition went to the Superior Electoral Court, known as the TSE. It accuses Meta of limiting content in a way that boosted Bolsonaro's campaign. It asks that Bolsonaro and Alfredo Gaspar, his candidate for vice-president, be investigated for "abuse of economic power and improper use of social network." It also asks that Bolsonaro be made ineligible to stand for election for eight years after the 2026 vote.
Meta denies that the two campaigns have been treated unequally. It has said it did not act to favour either side, and that it would comply with a Brazilian court order to treat Bolsonaro and Lula equally.
The filing did not arrive in a vacuum. The same day, UN experts said they were concerned about reports of discrepancies in how well each campaign could reach voters on Meta's platforms. A report led by the UN special rapporteur on freedom of expression said Meta must ensure a level playing field online during the election. It cited "temporary interruptions of one candidate's campaign account," differences in audience engagement, user feeds, view counts and reach, and restrictions on that campaign's Instagram posts. The report said information, including from Meta employees, suggested that accounts linked to one side of the race were disproportionately curtailed. The excerpts quoted do not name which side.
Lula's campaign had earlier filed a separate complaint making the reverse claim about Bolsonaro: that accounts and content related to him were boosted. Users have also reported that Meta's artificial intelligence tools were not generating images related to Lula.
Bolsonaro answered with a petition of his own, seeking Lula's disqualification. He accuses his rival of "abuse of political and economic power," and says the government used personal data taken from official databases to send mass messages on WhatsApp promoting social programmes. Bolsonaro is the son of convicted former president Jair Bolsonaro.
The stakes are as tight as the clock. Bolsonaro beat Lula in the first round on 4 October by a narrow margin, but fell short of the 50% of valid votes needed to win outright. Lula, a leftist, is seeking a fourth term. Opinion polls suggest Sunday's run-off will be extremely close, with little separating the candidates among Brazil's 159 million registered voters.
What to watch now is how the TSE handles the two competing petitions in the few days left, and whether Meta's compliance with the equal-treatment order holds up under scrutiny. In a race this narrow, the way those questions are answered could shape how the result is received.
Citas Notables
Information, including from Meta employees, suggests that accounts linked to one side of the presidential race were disproportionately curtailed.— UN report led by the special rapporteur on freedom of expression
Meta denies treating the campaigns unequally and says it will comply with a Brazilian court order to treat both candidates equally.— Meta (paraphrased)
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