Elon Musk's X Loses Antitrust Lawsuit; Judge Rules Advertiser Boycott 'Perfectly Legal'

Elon Musk's legal gambit to punish advertisers for fleeing his platform has failed decisively. A US federal judge dismissed his antitrust lawsuit with prejudice, ruling that the advertiser boycott following his takeover of Twitter—now X—was 'perfectly legal.' The core of the case collapsed because Musk could not show that consumers, not just his own company, were harmed by the coordinated ad pullout.

US District Judge Jane Boyle found that Musk's X Corp. 'failed to state a claim.' The lawsuit alleged that major advertisers violated antitrust law by colluding to boycott the platform after Musk gutted its content moderation teams and disbanded the Trust and Safety Council. However, the judge emphasized that antitrust injury requires harm to consumers, not merely to a competitor. Musk's argument that advertisers acted against their own economic interests by avoiding X was insufficient to plead a valid antitrust claim.

The dismissal with prejudice signals a significant legal setback for Musk's strategy of using litigation to counter business pressure. It affirms the right of advertisers to make collective, market-based decisions in response to platform policy changes. The ruling leaves X to confront the commercial consequences of its own strategic choices without legal recourse against the advertisers who left, reinforcing that marketplace reactions to content moderation rollbacks are a protected form of expression.