It would be a nice start if we really knew what was considered acceptable. I mean, this has all blown up just now, mostly down to a couple of wankers who think they're rather funny. You can't underestimate the effect they've had on people, even those who don't appreciate their humour.
But I don't know the extent to which Wayne sees fit to cut back on off-topic conversation. For instance, if I start a thread about Paintmashing, is that welcome, or simply "tolerated?" This is freaking most people out, they're wondering what they've done wrong. I think in all fairness, names should be named. There are a couple of members that most people would like to see banned. Ones who cross the line on purpose and don't see fit to rectify it when they realise it's offending people. Perhaps that, coupled with the fact that we're now talking about this, would help?