Yeah. Humor is (usually) subversive. It subverts our expectations... this creates tension, which we relieve with a laugh... sometimes this points to a hidden truth.
In a conservative culture, funny humor tends to be leftist... it pokes fun at the way society works, and may expose hidden hypocracy.
In a leftist culture like ours, there is no humor in being told the same thing ever major media and establishment ahole preaches at us 24/7. There is no subversion of expectations with leftist humor now.... it's boring.