"Voldemort blinked stupidly and questioned evilly, 'Wait, this is about my Reddit account?'"
"Is that what you call your godless coven?" Dumbledore queried knowingly. "Well yes I have indeed seen your so-called Reddit Account; and just try to deny your hatred of Christianity when you post things like this-'kristians all sux. their religion is stoopid and should be illegal. i will rite to congres and tell them to make law.'"
This is the point that many people became convinced that this had to be a parody.
"They knew that, if they screamed loud enough, they could change the world."
—The last sentence in this fanfic, which so clearly describes actual crazy Christians.