People of a conservative or Eurosceptic disposition should be thankful that the BBC’s new director general, Tim Davie, is to address the widely-held perception that its comedy output is disproportionately left-wing. For years, listeners and viewers of the likes of The News Quiz, The Now Show, Mock The Week and Have I Got News For You have been subjected to – and bored by – an endless stream of quips and invectives at the expense of the Conservative party, Donald Trump and Brexiteers.