It depends entirely on what you mean by "unpopular opinions". You would face backlash in the 80's if you advocated overthrowing the government. Today, you can lose your job for not having your gender pronouns in your bio. I don't think its fair to equate both of those things as "unpopular opinions".
It was supposedly one of the reasons Disney fired Gina Carano. However, she had apparently been annoying the powers that be with her generally Trumpian social media postings for a while.
I just looked it up. She added boop/bop/beep to her name on Twitter and doubled down when people asked her to remove it. [1] And like you said it wasn't her first PR problem.
