It was always obvious. Only conservatives have a sense of humor and can laugh at themselves. Really good humor always carries with it a modicum of truth or reality.
This is why the show is funny even though sacreligeous at times
Exactly! I don't watch South Park often, but it seems to consistently bash all that is stupid in contemporary culture.
I get a bigger kick out of The Simpsons which I think is one of the funniest programs on TV.