I wasn't trying to praise NTR games, just arguing that sharing both NTR and harem themes can be made into a game. You used a premise for this thread (that game devs don't know how to make an harem VN) and I don't agree with it (I belive your conception of harem in a game is limited and devs...
But this sounds all very rigid. What if there are routes? A developer could give you a "taste" of a sharing route but let you pursue an harem later. Or you could get a mix between a few exclusive girls and a pimped one. I think the concept "tag" is much better than "genre", as its far less...
I've never understood ntr aversion. Why can't/shouldn't an harem game be "open", albeit with a warning? For me, making the love interest prostitute themselves for the MC or even become "free use" just becouse the MC finds it hot is the ultimate shown of devotion.
I'll buy the idea of the mom finding it cute instead of beta (although it could steal some interesting femdom/brat taming scenes down the line), but I find how the game is now much more hot than the things you are suggesting. I see it as a reasonably perverted but shy MC is "thrown" into an...
For the record, I love where the game is heading and how it's beeing so far. Keep true to your vision, if people don't like it they better either make a substantial donation on subscribestar or play other games that better fit their fetishes.