IMHO, humor isn't meant to cater exclusively to the faint of heart. It's a whole spectrum of categories. The key is to know your audience, which I've never been too good at.

Back in the 80s, one of my favorite standup artists, George Wallace, told a joke related to Chrysler's then-popular "K" car (I paraphrase):

"Everybody knows about Chrysler's K car, but have you heard about their new KKK car?

No matter what color you buy, the hood's always white"