First, why is everyone bisexual and has no preference at all. There should be at least some character specifics.
I believe the term is: Player-sexual. It's the new normal because it basically covers all the bases so any player can romance whomever they want. While I understand the complaint I don't think that it's pushing an agenda as much as it's playing to the audience that do want romance options and it really only persists if you want it too because you have the option to turn them all down, at least that's how it worked in EA and it'll likely go back to that after a few Patches. So having to see all these options for romancing NPCs is kinda like seeing those signs at public pools telling people not to poop in them; sure it's weird to have to read the sign that's been put there for the 1% of the population that's old enough to read, but doesn't already understand that pooping in a pool is a bad idea, but you don't have to deal with it much again if you don't want too (when they fix the not remembering you turned them down part).