PETA is far from a charity even though they are a 501 (c)(3) Corporation with a substantial revenue in excess of 37 million dollars. It's a group of activists that talk out of both sides of their mouth.
There are many documented cases where PETA "euthanized" or recommends to "euthanize" animals.
I don't disagree. I like some of what PETA does and think some of their positions are so outlandish it hurts their cause in general. My point about Orcas at Sea World is that it's no longer just the PETA crowd that thinks its wrong, it's the every day average person. It's reached a tipping point. Just like circus animals, certain forms of hunting, specific ways some large scale farms keep animals, etc.. society has moved to a point that the average person recognizes that it is wrong, even if you aren't an animal rights activist.
Sure, there will always be some good people who just don't see it and don't have a problem with it, but Sea World should recognize that this fight is lost and sooner or later they aren't going to be able to keep them anymore so why go through another decade of bad PR? Solve the problem now and move on.
Which is frankly a racket to dramatically jack up the price of circus tickets far above what "the average everyday person" can afford, but that's a separate discussion. Well, sorry to burst your bubble, but there are still plenty of currently thriving domestic circuses that feature performing animals. Since you'll never hear about most of them from the mainstream media, I'll introduce a representative cross section: