It's not that they're loud, it's that they're vile.

Mocking a bloke being stretchered off is pretty low, but I noticed every time we had a throw in, our player was confronted by fiercely angry adult men, faces twisted in rage, screeching abuse... why? We're hardly rivals, are we?

I know there was a history of fighting between Arsenal and Portsmouth fans in the 1930s but surely they've got over whetever that was about by now?