Become mainstream? I highly doubt it. Society isn't trending in that direction. The closest you'll probably get are games like the First Descendent or that one with the girl named Eve where you can get them to dance around in tiny outfits. Would I play a full 3d open world RPG with porn...
The pool for models in renpy is not very big, and devs don't usually take a lot of time to change the models to make them unique for their own story. You could pick two games and see the pretty much the same chick. I bet the pool for male characters is even smaller Eventually you will recognize...
I like futa when they have a vagina but no testicles. Why? Not sure. Usually results in one hot woman having sex with another hot woman, which I enjoy.
I bet if I say the words toxic masculinity this thread will go bonkers. Books have different genres and themes, movies have different genres and themes, and games have different genres and themes. I don't like all books, I don't like all games, I don't like all movies. There is plenty of content...
Don't think you can sort by updates at the moment, just most recent comment. This is supposed to be getting fixed with the updating of the latest update page. You will just have to be patient for a bit.