In my opinion, before you get authorities involved and anger the store, you should try to educate them. Talk to a manager. It's true that the majority of pet stores mistreated their BPs and SHOULD know better, but sometimes they're just naive to how important the care for these snakes are. Often if you simply educate them and maybe keep an eye on the situation they will change how they are caring for them. A kind approach may be more beneficial. But if it turns out they really just dont care then yes, get the proper authorities involved.

Good luck!