Why the hell is everyone against questions about sex? Are y'all prudes? There is already a serious lack of discussion about sex in this country to where online forums are the best place you can have such a discussion.
There are "questions about sex" and there are "men/women of reddit/lemmy, what's the sexiest sex you ever sexed" being repeated every other day like on r/askreddit. I assume nobody would reject the occasional insightful sex questions.
A huge annoyance was that there was already subs for asking sex questions but people found it easier to karma farm in the main ones so they were barely used. Hopefully without karma here that will be avoided.
As others have stated, it's very little to do with being "prudes" and much more with being tired of horny anonymous posters just being horny. If it were something informative, that's a whole other thing.
The only one of those sex threads that ever made me laugh was one where they gender swapped language, from guys to gals. Bragging about the size of their massive pussy, etc etc. Really highlighted just how silly that whole song and dance is when turned on its head.