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Could a setup like with Amazon Go stores help here? Let in only customers with a verified account.

The shoplifter gangs will just jump over the turnstiles. I imagine any store impervious to this attack wouldn't meet fire safety requirements.

Huh? Have you never seen turnstiles with tall plastic barriers? It would take quite a lot of strength to jump over 4–5 feet.

Maybe. That would be the last place I shop, though.