I don't think it will be a surprise to you that people creating and managing companies take an active part in the company's vision and direction.

Just like medias owned by far right or far left entities will put a far right or far left spin on everything they treat.

I never said it was a crime, I'm just saying that the park creations shouldn't be interpreted as factual nor accurate depiction of historical events.

It's like arguing that Jesus did XYZ because that's what you saw in the movie "the passion of the chirst". As I said in another comment, as long as you don't pretend you're providing historical facts it's all good, but it's not the case here.