It also appears to be the case these days that people, whether in on-line or real life, spend an extraordinary amount of time and energy seeking out things to be offended about.In America, no slight (real or imagined) is too insignificant to be overlooked.
Which, I truly feel, is the potential problem with banning people. I'm just not sure about the value of silencing any voice because other people may lack the self-control, maturity or perspective to simply ignore a provocateur rather than engage in a crusade. Once in a while even The Cat has something worthwhile to say.