Every time Celest-A.I. uses the phrase "...satisfy values with friendship and ponies..."
As terrible it actually is, the idea of the "apocalypse"/"heaven" caused by My Little Pony is just plain funny.
The idea of getting achievements and a high score for having particularly good sex. Even funnier when you consider what sort of behaviour this may lead to for the "Long Term Relationship" badge, as this comment by FIMFiction user VelvetHeart suggests:
David/Light Sparks: Honey? Honey, wake up.
David/Light Sparks: I want that badge. It's time to do some grinding.