Your saying you expect for people to be 18+ on this game? Dude! It's a VIDEO GAME, kids play VIDEO GAMES and plus kids don't expect an adult swearing at them in the game just because that kid was smart enough to do whatever, better than the adult.

Bluecorocco: What the hell man I'm trying to sell stuff on AH here!

kid: Me too

Bluecorocco: Well! Stop your selling more than me!

Kid: No

Bluecorocco: Well, F*** you!

That is probably why you got banned...