You're banned because there are no grey elephants in Denmark.

You're all banned for this!

If I'm banned for this, then you are banned for that!

You're banned for forgetting about here, there and everywhere.

You're banned for leaving no stone unturned.

You're banned for wanting rock and roll.

You're banned for rock and roll wants me.

You're banned until you show proof that you are wanted.

You're banned being a pseudoskeptic.

You're banned for exhibiting the pseudobulbar affect.

You're banned for that's mean.

You're banned because the word "that's" is not mean.

You're banned because you sidestepping the issue.

You're banned because you made me say it twice.

You're banned because without speaking, The Postman Always Rings Twice.

You're banned for going postal on me.

You're banned for implying that's a bad thing when we all know that for those folks, neither snow nor rain nor heat nor gloom of night stays these couriers from the swift completion of
their appointed rounds.

You're banned because my postman often skips a day when the weather's bad.

You're banned for it is in the mail.

You're banned for Stephen King.