This reminds me of one of those clips from that Family Guy episode.
"Marty, I just found out your daughter is going to marry a black man!"
"Well, what's wrong with that?"
"Oh, uh, um. Nothing. I don't mind, I was just...."
"Doc, I don't feel comfortable around you anymore."
"You know, Marty, peanut butter was invented by a black man!"
"It's a little late for that, Doc."
One of the few times I've laughed at Family Guy.