Actually just want to add to that, the issue in general with BB's is that people find it very easy to cross the line anonymously who in the real world would do or say no such thing. The whole thing stinks of hypocrisy.
Personally I think that there's not enough moderating of some of the more extreme crap posted on here, but that's not a reason to leave. If it helps, visualise some overweight, middle aged, pasty faced white guy, with a bulging belly, saggy balls and a borderline addiction for little blue pills to help em read the lads mags. That's them that is