When news broke last week that comedian Joe Lycett had been reported to the police for a routine in his touring show, the joke was very much on the offended punter. “Imagine someone calling the police over a joke they didn’t like? Snowflakes everywhere,” tweeted Lycett’s fellow comic Janey Godley, while the Spectator fulminated: “We need to kick the cops out of comedy.” But where there’s comedy...