Other businesses, although competitive are smart enough to pool information regarding any known scammers who intentionally attempt to damage their business. In the off-shore gambling arena, it is well known that certain individuals seek out credit shops with the sole intention of stiffing the agent. There are other notorious individuals who chargeback at as many books as they can. Can't these books put egos aside and share this info for the good of the industry? I think this premise makes too much sense to go anywhere.