I hate having to come up with these ideas, but some people are just bad business.
As such, they find ways even around Brandon's lovely ML system and are just unbecoming. Please keep quiet about this...or delete it if you find it inappropriate.
Ravincrush: He's stolen, likely on purpose, BoP items off a raid boss during a glitchy loot cycle after he won the roll on one item.
Prowler: His alt stole from a guild bank. I've already informed his guild leader.