It’s over for the doubters: you just can’t argue with Taylor Swift any more. You can’t argue with her fanbase, immaculately devout and mind-bogglingly populous. You can’t argue with her songcraft: masterfully generic in a sonic sense; startlingly distinctive in a lyrical one. You can’t argue with her positive impact on the lives of her devotees. Or on everyone else: it’s estimated that her current Eras tour could contribute around $5bn to the US economy. You can’t argue with the statistics in any arena, in fact. Released only a fortnight ago, the movie version of Eras is already the highest grossing concert film of all time, by a significant margin.