I think a lot of these answers are missing the forest for the trees:
Women hate sex dolls because they don't want undesirable men to have any sexual access at all.
Think about it, women find it unnerving when unattractive men approach or hit on them. Most of these "movements" (i.e. Yes means Yes, #MeToo, etc) are designed to regulate male sexuality.
At the end of the day, as far as women are concerned, if a man has sex with a doll, he's not getting consent, and if he's not getting consent, he's a rapist in waiting. That said, if he's will to "rape" a doll, what's stopping him from "raping" real women?
Women constantly police the entertainment of men (i.e. Look up the The Rising of the Shield Hero controversy, or sexism accusations towards comic book readers, etc), because the men who enjoy this stuff are probably not very successful with women (save the guys at RDCWorld1 on YouTube
). That said, women want to regulate them, because they see these men as a threat.
Giving them sexual access is the last thing women want; they have a hive mind, or a collective mentality. Men getting "non consented" sex with something that looks female is a sign of rape in their mind. It has nothing to do with women fearing replacement;
women don't complain about replacement when they complain about sex dolls/robots, they complain about consent. They don't want unattractive men to have any sexual access at all, even with fake women.
What do you think rape culture is? Rape culture means "Men we aren't attracted to have access to us!"
