Hollywood has to appeal to the broadest audience, and when it comes to most social and economic issues, America is progressive. Because of that, the messages that are in Hollywood movies tend to be, for instance, pro-environment.
I have certain beliefs about how people should treat employees and how companies should be run, but I was really surprised though this process to learn that those beliefs are actually good business.
Hollywood is for-profit, is what Hollywood is. All the studios are owned by big, megacorporations that are the furthest thing from liberal you can possibly imagine.
There's such an aggressively apolitical movement in the US that anything that smells of being political - even the term "political" is so ridiculous, when you think about it. The worst part of governing, the political side, is the grossest part, so that's what they call it. So anything that reeks of that immediately gets tuned out by 70 percent of the population.