Argentine President Javier Milei called Brazilian President Luiz Inácio Lula da Silva a thief and a convict during a speech in São Paulo, and the fallout quickly moved from a political insult to a full diplomatic response from the Brazilian state.
Lula answered with a brief, cutting line while preparing to receive South Korean President Lee Jae-myung: “Who is that guy?” The remark landed with more force than a press release ever could. It also stood in sharp contrast to the machinery around him, which moved fast to defend institutional pride and national interests.
Who Gets to Speak for the Nation
Foreign Minister Mauro Vieira said Milei’s remarks were “serious and unacceptable” and claimed they “constituted interference in internal affairs, in national affairs.” Speaking to TV Globo, he added: “We must work to achieve understanding between nations, and diplomacy is based on that, on dialogue.” That’s the language of the state trying to restore order after one of its peers publicly spit on the arrangement.
Finance Minister Dario Durigan also weighed in, but through the cold arithmetic of competing national elites. In a radio interview, he questioned Milei’s economic argument and compared the two countries’ situations. He said Milei had spoken about Brazil’s situation despite Argentina posting a higher country risk, a larger public debt and higher inflation. “One cannot fall for the narrative of those who claim the situation will become apocalyptic,” he said.
The whole exchange shows how quickly leaders turn personal contempt into a matter of official business. Ordinary people get the speeches, the insults, the warnings, and the fallout. The people at the top get to call it diplomacy.
The Event Behind the Outburst
The episode began on Saturday in São Paulo, where Milei took part in the event formalizing Senator Flávio Bolsonaro’s presidential candidacy for the October 4 elections. In a speech of about 25 minutes, Milei avoided naming Lula and referred to him with terms such as “thief” and “convict,” while also using crude language about the region’s left-wing governments. He argued that Brazil could face an adverse economic scenario if it does not change its political course.
That’s the election theater in plain view. A presidential candidacy formalization, a foreign leader on stage, and a warning that the public should accept a different political course or brace for disaster. The script changes, the hierarchy doesn’t.
The remarks produced the sharpest diplomatic response between the two countries in years. On Sunday, the Brazilian government recalled its ambassador in Buenos Aires, Julio Bitelli, whose return has no set date, and summoned Argentina’s ambassador in Brasília, Daniel Raimondi, for explanations at Itamaraty. The president of the Supreme Federal Court, Luiz Edson Fachin, also issued an institutional note after Milei disparaged one of the court’s justices.
The Institutions Close Ranks
Brazil and Argentina are Mercosur’s two largest members and each other’s main trading partners, which gives the dispute a built-in economic weight. The state apparatus on both sides now has to manage the damage, even as the original insult came from a political event built around another election.
In Argentina, a group of lawmakers filed a motion of censure over the remarks in the Chamber of Deputies. Argentina’s foreign ministry had not issued an official response to the Brazilian statements as of this writing. That silence matters. The parliamentary move shows the familiar ritual of institutional correction, while the foreign ministry holds back and the diplomatic machinery keeps grinding.
Lula’s “Who is that guy?” may have been brief, but the response from the surrounding power structure was anything but. Foreign ministries, ambassadors, courts, lawmakers, and trade ties all snapped into motion around a few ugly words in São Paulo. The people who live under these systems don’t get to opt out of the consequences. They just inherit them.