I find it hillarious how some people defend the game with "The companions are not too flirty or sex driven, also that they are too flirty and sex driven must be a bug"
I've not seen anyone do this. Some people have reported non sequiturs in romance plots, such as Gale accusing a PC of two-timing when they're not in a relationship. That to me has nothing to do with how sexualised the game is, it just sounds to be a bug and the flags getting set incorrectly. Most of the specific examples I've seen are in this mould, and as I've not yet personally experienced the other sort of generally pestering behaviour that people are reporting, I'm not currently getting the too-much feeling that others are from the game so it's hard to judge it to be too sexualised.
In fact, at the moment I'd be for
more flirty and sex driven companions, as no-one seems to want to sleep with my PC at all any more

Withers has just been asking her why she's all alone.