In 2 PT's I 've witnessed 3 "intimate scenes". Only because I was actively pursuing them.
- Shadowheart at the druid"s victory festivity in camp
- Minthara, idem but for the other side
- Mizora in chapter 3.
And finally I also accepted the Drow's service at Shares Caress. But really, that last one looked like a prank, a joke to rise expectations and then give you the "nah nah, we got you !" I'm sure this wan not Larian's purpose, but I found it really badly done.

Except for the short Mizora fondling, which emanated some eroticism (maybe because of the wings and horns hehe ) none of the scenes were truly erotic, arousing or even very sexy. The only oversexualisation that I can see is the hype that is given to this (tiny) aspect of the game by journalists, players, influencers and maybe Larian itself. Also if you don't go try to find the scenes yourself, you won't see anything. I simply stayed friends with Gale, Lae'zel and Wyll. Mostly ignored Astarion and Halsin and never had anything lewd happening with them.

I guess Larian didn't really know how far they could go and so produced these half-baked romance scenes. I thought a nice, suggestive scene was the test with the Dryad at the circus. Where you must answer questions about "your lover" and can approach one pace with every good answer. The visuals of the dryad herself evoked some eroticism. I would have loved more romantic scenes like this to evolve to a deeper romance and lovemaking.

So anyway I answered "no" to the question is it oversexualised.

I like some degree of sex in the sword and sorcery genre. But I can imagine that if you make a product destined for all ages and all cultures, it is a difficult exercise. But as a reference, I could cite the orgy scene in Tulsa Doom's lair from John Milius 1982 film "Conan the Barbarian". It was erotic, esthetic with some nudity but not too much, and perfectly fit the story , atmosphere and characters.