Back in the 1980s and ‘90s, Moira Knox was one of the biggest names on the Edinburgh Fringe. She was guaranteed acres of newspaper coverage and never had to update her routine.

Knox, a Tory councillor in the Scottish capital, was a rumbling – but entirely approachable – outrage machine. A tabloid reporter looking for a quick hit could depend upon her to condemn the ‘offensive’ content of a whole range of Fringe shows.