It's Poe's Law in action

Without a winking smiley or other blatant display of humor, it is utterly impossible to parody a Creationist in such a way that someone won't mistake for the genuine article.

Nathan Poe, 2005

There's simply no degree of bizarre anti-social behavior that is so outlandish that no one would ever do it. You'll think you're writing the most over the top, ridiculous, unbelievable, impossible satire of a human being and then the guy at the bar next to you will sigh and with the longest, most tired face say "Yeah, my family is just like that too".