There is certainly a lot going on with the Rose character. I don’t know to what extent it has to do with race and gender, as I try to stay out of those pockets of the internet, but it does seem to be emanating from the gamergate/comicgate/right-wing/Jordan-Peterson corner of the internet, and trailing behind the Marvel (comics) diversity push. If you look at Ethan Van Sciver’s twitter feed from a month or so, he seemed obsessed with Rose to a degree where if he were a friend I’d check to make sure he’s OK. This is not a healthy climate for really anything. At some point it’s clear there is more here than just not liking a character.
It is also interesting that she is also not “hot” in the way that movie stars usually are, her performance is somewhat unconventional for female parts, and she’s wearing coveralls a bunch of the time. Maybe if she looked like Lucy Liu circa 2002 and wore skin-tight leather there wouldn’t be this reaction? I don’t know.
But I also get why someone wouldn’t like her for story reasons. I enjoyed her performance and the character just fine, but she was also asked to do more than perhaps the meager setup required.
But I think it’s terrible that people have to act in such a way that she has take down social media, and Daisy Ridley does, and even Zach Snyder did. People need to let go of their entitlement and learn how to behave.