I wonder how long it will take before they employ regression algorithms to screen those entering the shop and deny those deemed "not safe". They would probably be like the police crime prevention algorithms in that they would inherently be biased towards the same prejudices as the humans in such jobs. Profile a specific group of people and that group will be arrested more than those not in that group and the algorith…
Why would it be needed? If someone enters with a credit card on file you can charge anything broken or taken out.
It would make a funny gag, I imagine the store employees would still approach you if you did the above, because they also won't have overriden their if X then Y programming.