The term is revolting, there's no denying that, but now that you mention it, even the concept under it...I'm not a fan of how it's framed. I've been trying to articulate to myself why, and I think it's that usually "phobia", as to make sense in a social aspect as it's commonly used, needs to refer to something intrinsic and neutral. Like race. Like sex. Like sexual orientation. Etc. "Whore" is not an objective descriptor of your natural human existence. "Whore" is not who you inescapably are, it's a descriptor of behavior (similar applies to the "femmephobia" thing too). These concepts are the definition of internalized misogyny, of internalizing the harmful mechanisms you're forced to adopt to survive as something that's naturally you, and that cannot be criticized without you taking this criticism personally. It's downright twisted, it's putting up a human shield in defense of phenomenons that hurt those same humans.

You can't criticize prostitution, BDSM, extreme performance of femininity etc, without apparently harming the human rights of people who perceive themselves as if they embody it. I mean, way to naturalize these things. While the more reasonable position to have is that ignoring the blatant harmful effect of those things to protect individual feelings is incredibly misguided and dangerous. I'm just waiting for the day they naturally extend this logic to the victims of domestic violence. But it's her choice! She chooses to stay with him and you being opposed to that is you literally denying her agency. Which is why liberal feminism is a backlash to any serious feminism, not a continuation. It's women choosing their internalized misogyny over the discomfort of unpacking it, but still feeling the need to do it under the feminist label, because they cannot stand it when even a fringe of the world doesn't pat them on the head and tells them what a nice, obedient object they are. When anyone disapproves, it bugs them, so if it's between pleasing patriarchy and feminists, they'll side with the patriarchy and invest effort into shutting up feminism because it's much easier than the reverse (one clever way to do it is to colonize it and replace it with your own regressive views). It's incredibly sad, these women have forgone any hope of ever being treated or seen as humans, and now they feel threatened by (actual) feminists for trying to take away their patriarchal consolation prize.