Musk ratcheted up his rhetoric against the legislation this week, branding it a “disgusting abomination” before attacking Trump directly, calling for him to be impeached, threatening to start a rival party, and suggesting he had links with the disgraced financier and child trafficker Jeffrey Epstein.

Musk and Trump, ostensibly political allies over cuts to federal spending, publicly clashed on June 5 in a series of exchanges across social media and in comments to reporters. The origin of the dispute is the impact Trump's One Big Beautiful Bill has on U.S. public debt.