Call it Chekhov’s Jet: a Twitter account placed on the mantelpiece in act one must surely go off in act five.
Seven days after buying the social network, Elon Musk tweeted that his commitment to free speech extended even “to not banning the account following my plane”. Six weeks later, his reversal of that policy set in motion a series of events that seems increasingly likely to end in his dramatic departure as chief executive of Twitter. How’s that for a satisfying narrative?