Bloomsbury’s former editor-in-chief Alexandra Pringle popped up on the Today programme this week to argue that Jason Arday’s publisher could not have been expected to fact-check his book Great and Unfortunate Things. The argument she made raised a lot of eyebrows and has precipitated a lot of self-righteous ridicule online. The problem with Arday’s book, whether you call it a memoir or an autobiography, is that a great