Certainly some, in isolation, do not seem all that bad. People have said much worse to me without issue. So I have to assume that the bans were based on additional content we aren't seeing here.
Odd how for some users the comments don't show up at all.
This is a good resource and it does highlight some chilling effects.
jinglewoof has no comment history even with showdead on, but other users have their comments preserved.
made me chuckle.