Well, since my game even has characters that literally have no or multiple genders, I simply called it a Dating Sim without specification and added "LGBT" as tag to show that non-binary people are in the game
But in the end, it depends on your taste of what you think describes your game best and will attract the players you want.
That sort of thing is extremely rare. Because well, usually there are wildly different audiences interested in each type of dating sim and being a jack of all trades means you have less content for each of the various groups. So you have a bigger potential audience but they're more likely to be disappointed in the options they have specifically.
Hmm..could you explain more? Disappointed in the options they have?
I assume that they mean the following:
If you have two routes (GxB and GxG), then you can have a long and satisfying game with fully developed potential partners.
If you have 4+ routes and you make the script alone, then you will either have very few/stereotypic interactions with the characters or the game will probably end up never being finished because of the massive workload.
So limiting yourself is usually a lot easier than going all out.
Also the thing that if I am for example searching for BxB games and you have all kinds of orientations, then it might be that the BxB route is maybe the one that you added, but didn't really feel so much for. OR it feels stereotypical, because you're not used to it. Or I am simply disappointed because of the mere fact that I only have one person to chose from since the other is a girl.