Yes. Yes it is.

Edit: Specifically, she was fired for making the following statements:

The actor continued to say, “Because history is edited, most people today don’t realize that to get to the point where Nazi soldiers could easily round up thousands of Jews, the government first made their own neighbors hate them simply for being Jews. How is that any different from hating someone for their political views?”

https://www.pbs.org/newshour/arts/gina-carano-fired-from-mandalorian-after-social-media-post