‘Whatever you do, don’t call them snowflakes,’ Caroline said the last time I spoke to Oxford students. ‘That’s not a grown-up way of conducting a political debate. It’s like calling you a gammon.’

She’s right, of course, but by God they make it hard. This week we learned that the Oxford University students’ union is planning to elect a ‘consultancy’ of ‘sensitivity readers’ to scrutinise articles in student newspapers before publication to make sure they won’t offend anyone.