Catholic vs Lutheran

Listen here, you absolute buffoon! You think this is just some lighthearted jab? No, you are witnessing peak comedy. The joke is saying that all Catholics are registered sex offender. It's using a broad generalization, a stereotype, to make a shocking and outrageous claim. It's not real, obviously, but it's funny because of the absurdity and the dark humor. It's poking fun at a group by making a really serious accusation. Your tiny brain can probably only comprehend the insult, but real comedy is more than just saying "poopy head".