But when you do romance them, the ones I did, were good. I think, they should go over the dialogues again and make triggering a romance by accident harder.
I don't want to entirely derail this thread so I'll keep things short, but I already said months ago what I think the solution to the problem should be (realistically speaking in their future games rather than in updates for this one):
the default path toward any other character should be a relationship built on friendship, with the player being the one that can eventually activate the "flags" leading to flirtatious behavior and (over time) straight up romance.