Nadhim Zahawi’s latest resignation letter was one of the all-time classics of the genre: unctuous, preening and pretentious even by the high standard of unctuousness, preeningness and pretentiousness set by his predecessors (including him).

‘Greatest honour of my life,’ he wrote. ‘Best country on earth…it was where I built a Great [capitalisation sic] British business, YouGov, and it was where I raised my wonderful family.