I understand you, you would like an ordinary girl in the game. Not for me. There is real life for this, but in the game there is such a character, well, it’s boring to say the least. If we put aside your claim to lesbianism, then such a character would be Josy - remove Maya and she just a girl next door girl, nice and friendly, but without any drama.
I don’t see a problem with bisexual girls at all, I’ll say this is not a minus, it’s a pleasant addition.
Don't see a point of ordinary things in videogames, almost no one will play them.