Why would you post a video like that? To be cool? Nobody on here thinks it's cool, quite the opposite actually.
The leopard shark is Triakis semifasciata. The Japanese leopard shark is Triakis scyllium. Two different sharks, and is why you sometimes see smaller Japanese leopards offered for sale.
He is doing alot of harm by just releasing them. What if they were hosting a non-native parasite? Imagine the harm that would do.
You know, I've seen a lot of WTB and WTS threads by you. Is that what you and your buddy do, buy and sell sharks you can't properly care for or know nothing about? If you did, you wouldn't be starting threads like these.