An appropriate response to Richard Catto's tweets

General consensus when it comes to people like Richard Catto online is “don’t feed the trolls”. That usually means you don’t engage or even acknowledge their existence. I adopt that approach for the most part but after reading some of Catto’s tweets in Sarah Britten’s post about free expression on Twitter, I chose this option:

Trolling is one thing but tweeting that rubbish goes too far.