Just for consistency, I will repeat myself as per a banning topic:
Looking to Certified Psycho's post, and also the poll, I think people understand the idea that we have no conventional ground rules which describe the nature or degree of the offenses we might ban people for. So right now everybody's looking at this from a perspective dominated by opinions, tastes, and politics.
And I think we all know that pretty much all of us have our days, and we're not going to ban someone for a line we might cross, or want to cross someday.