Mods. Explain what did I do.

Looks like you got a ban for trolling.
I'm unbanning you since you're not on the list of the usual anti anime folks.
Behave yourself. If you get banned again, I won't unban you.

What kinda of trolling did I do? And plus why would I be with a weak organization that sends death threats to weebs?

Ok then. But somebody banned ya for trolling and I unbanned ya. So either it was a mistake or else ya did something.
So you're good either way, now.