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.

His explosive row with President Donald Trump - and the very public airing of his dirty White House laundry - suggests Musk's changing priorities might not quite be the salve they had been hoping for.

President Donald Trump said Friday that he has little appetite for reconciling with Elon Musk any time soon, signaling he’s eager to move on to other topics following their extraordinary public blow-up.