re: #217 Naso Tang
“Regular customers”?
The reason is to get the seller to positively state (swear) that they verified ID. If they were allowed to simply say it was a regular customer, with or without a cane, they would be more likely to cheat.
With the camera surveillance system and credit card receipts it is pretty easy to identify regular customers.
You could also ask 9/10 of the staff the person’s name and where they live and get a correct answer.