Although I'm neutral with any facts that Blackfish portrays, I am not in support of Blackfish.
I think it's important to understand that although Blackfish claims that SeaWorld has a ulterior motive to capturing animals [profit], I firmly believe that Blackfish and it's creator also have an ulterior motive. If you remember, around the time Blackfish was released, reports came out of dolphins being slaughtered for no purpose on the shores of Japan. Where is the internet activism against Japan? Why is there no "JapanFish" documentary? Think about it. Before reading this, you may not even remember that the dolphin killings happened.
Regardless of the truth involved, BlackFish is just another example of sensationalized media. You can relate to it because you know what SeaWorld is. You've been there, heard about it, maybe know someone that works there. When you take something that people are familiar with, and put out an opinion that is contradictory to the norm, people will take an obviously biased opinion with NO research done on their own. Had Blackfish been made about issues like whalers or dolphin killings in Japan, the documentary would end up on Netflix and you would have never seen it.
True? Maybe.
Innocent? No.
I don't support Blackfish.