The billionaire said the advertising boycott could see X fail, but that it would not be his fault.
“We are dealing here with an utterly clear political project to push aside democracy," Anne Hidalgo wrote.
The tech company has been under intense scrutiny after the board fired its CEO before reinstating him this week.
The tech giant had previously announced that it was bringing in Altman and former OpenAI President Greg Brockman to lead a new AI research team.
“Undeterred by the truth, Media Matters has opted for new tactics in its campaign to drive advertisers from X,” claimed the site once known as Twitter.
Emmett Shear voiced his concerns about the dangers of artificial intelligence in a resurfaced clip.
Altman will lead a new advanced AI research team at the tech giant along with some of his former colleagues.
“We talk about everything,” Yaccarino said amid speculation that Musk, the platform's owner, may not consult her on major decisions.
Social media users speculated that the obituary on Brandon Hunter was the product of AI, plagiarism or a translation program.
U.S. District Judge Amit Mehta likely won’t issue a ruling until early next year.