Fuel for the feud was provided by the fact that X/Twitter itself has a long memory — an archive that Bluesky et al will always struggle to match. Musk, furious that Trump's "big beautiful bill" would increase the deficit, started posting quote tweets of every time Trump had promised to lower it, adding snarky comments in agreement.

An intense public feud erupted on Thursday between President Donald Trump and his one-time ally, billionaire Elon Musk, with an argument about Trump’s massive tax and domestic policy bill raging across social media and in the Oval Office.

In the midst of Donald Trump and Elon Musk throwing insults and threats at each other on their respective social media platforms, Musk accused Donald Trump of being ungrateful to Musk for purchasing the election for him,