Don't worry, I totally understand not just instantly accepting all criticism as correct -- I always tend to sound much harsher than I actually am, and it's your story. Like I said, I'm really enjoying this wonderfully strange story as it's unfolding!
re:Alternate Reality; It just seems like things are ever so slightly off. People are talking about 'cults' as if that's just a normal fact of life -- annoying, maybe, like a hobos, but not totally abnormal. It may simply be that, not being a native English speaker, that the emphasis in these lines is thrown off just enough to be confusing. I don't really know how I'd fix that beyond simply having a character say, "What the fuck do you mean 'cult' -- like the ones from Waco or something?" It just doesn't feel sufficiently clear enough that the main cast is profoundly confused about what's going on. Then you have the magic bimbo-making machine and stuff and it feels very made-for-TV-movie.
On top of that, the lamentations about seeing things and possible mental instability read as very 'dramatic' -- like a scene in a movie -- and not really like someone actually concerned that they're having numerous & profound hallucinations. Like I said, it feels like a fun, trashy horror movie or a Twilight Zone episode. Everything is ever so slightly off in a way that really adds to the atmosphere, but also serves to distance the story from reality. Heightened reality, I think, is the term -- maybe magical realism? That's not a bad thing, by the way, I rather like it. It makes sense with the Backrooms aesthetic -- it looks like reality, but off in a way that strengthens the horror elements.
Regarding the pornography, I don't think that it's simple preference -- I'd argue that your pornographic bits are far too clinical. Cold. Sterile. The narrator, or the character, just giving short observational lines -- not dwelling on the pleasure or feel of the moment. Erotica needs to be savory & sensual. The writing needs to evoke feelings of something. Not emotions, necessarily, but raw, pleasurable, overwhelming input from our five senses. Frissons of pleasure moving up and down the body. Making dialogue, even inner-voiced dialogue, the primary focus during an erotic scene just doesn't work for a variety of reasons. Even, like, audio-centric porn tends to zone in on describing sensations experienced by the erotic focus. I'm not saying it's easy to do or anything, don't read this as criticism. Read it as critique! I like the strange story you're setting up here, best of luck on seeing it through.