Experts may be able to fight real fires with fire.

It has been clearly shown that no matter how much fun it may seem - fighting online rubbish with rubbish - only buries us all under more rubbish.

There remains only one way - but then you can't be seen to be making any judgements and it just isn't anywhere near so much fun.

The very best judgement is to be seen to completely ignore anything you may judge as attempts to intentionally disrupt, divert and prevent discussion.