Casinos ...
... already do this. And have for quite some time. If you are a card counter or other kind of cheat, they will show you to the door pretty quickly if they catch you on the premises again.
I get that's it's a different kind of market. People don't have to play blackjack. They do need prescriptions filled. If they just toss people out, that's a problem. But if an ex-shoplifter gets followed around the store by security, well that's part of the cost of a prior shoplifting conviction.
Biting the hand that feeds IT
