>>What a world we live in!<<
Reportedly — REPORTEDLY — white non-customers were allowed to use the facilities unfettered.
That adds some legs to a cause of action — IF the reports are true (big IF) and quite a few other salient facts also line up.
Yelp had a review from a long time customer of the store 3 months ago. The reviewer said the store had recently installed the bathroom locks and they needed to buy something to get the code.