Lets not let this get personal or heated please...
We've been through Game of Thrones and its complete betrayal of GRRM's approach to sex and violence. BG3 is TAME by comparison. Calling it over-sexualised in a society like ours, where in the early 2000s literally any ad and most magazines had nude spreads seems, as you said, a deliberate attempt to start a storm in a teacup, to put it politely.
Your comparison with Kingmaker also seems completely out of the blue - the premise was completely different, there is no sense of urgency which, historically, lowers inhibitions but rather there's stressing kingdom management and need to escape. Let alone in the adventure path which is as open world as a tabletop can be,