Emo Kids and Hitler Comparison

Listen up, you absolute buffoon. You wrote this garbage. You probably think that emo kids are all mopey and self-absorbed, and that Hitler was a really bad dude. When emo kids get upset, they might get destructive, and Hitler... well, you know. So the punchline is saying that when either of them are upset and lose it, they're gonna leave a mess of brains everywhere. I hope that explanation is not too hard for your tiny brain to handle.