A number of people have asked about that feature of weirdtopia, and as far as I know, Eliezer has never answered.

ETA: My mistake. I was going by memory rather than checking the context. Eliezer has an answer upthread. I can't say it makes a tremendous amount of sense to me, but I'll give it another reading.

ETA2: I think I understand Eliezer's ideas. I'm not sure the boundaries of sexual consent are that easily changed.

I can imagine a society where there are clear (or as clear as such things are among neurotypicals) signals for playing rape fantasies out. If it's the latter level of clarity, it would be a nightmarish place for those who are bad at the signals, but good enough for fiction fodder.

It's harder to imagine a society where there are no pairs of people where one person is attracted to the other while the other is emphatically and consistently repulsed by the first.

In the real world, men don't like being bullied or harassed about sex. And this applies to heterosexual men being bullied or harassed by women. It's just less likely to happen than the other way around.

Something I didn't get around to posting in a previous discussion of relationships between men and women. There's been a lot of talk about the difficulties for men of having to make the first move. Those difficulties are quite real, but there's a non-obvious advantage-- if you're always making the first move, you can be sure (unless you're being pushed by family or friends) that you're making your own choices.