The humane thing to do would be to humanely euthanize all the whales currently in captivity unless it they can be taken to a sanctuary. I would trade the lives of all the whales currently in captivity for the many many more lives that will be saved if all the sea parks close down.

Even if this silly comment was true, the lives of all the whales that would have been captured and forced to perform will be saved. I would trade the lives of all the whales currently in captivity for the many many more lives that will be saved if all the sea parks close down.