You're right, it does seem like a strong counterexample. But I'm not sure how cops would fix this one directly either - they surely can't station an officer at the store all the time.
Part of my point is that they spend so much time on things like traffic tickets and civil forfeiture, little time is left for actually prosecuting these criminals.
https://priceonomics.com/how-police-officers-seize-cash-from...
It's a big cultural change that could take months or years to see the difference in daily shoplifting amounts.