Yes, there is indeed a scene in the game that is mentioned in the interview. It is in the second act regardless of how you got it, through Araj or through killing Orton. And your player can force Astarion into intimacy. The way Astarion looks afterward is tantamount to him sobbing over Cazador's corpse. It's a hard scene. And Astarion breaks up with the player for it.
In my opinion, adding this scene a good decision. Because those players who got into the character and listened to him will never have this scene. And those who are eager to play the sex store or weren't attentive enough to hear Astarion will get an unpleasant surprise.

But I strongly disagree with the following.
The authors talk about the game asking you if you like boys or girls, if you want to try anything in your game that you wouldn't try in real life safely for yourself. But with patch 6, where is that question? Where is the question of whether I, as a player, want to see bdsm content. Ascendent Astarion puts the player on a wagon that has failed brakes and we continue linearly through the "cycle of violence" storyline without any interpretation of his own.

I've never been a read fanfic. I've never been on the forums. And I never even went on YouTube to watch content on the game. But, after patch 6, I became interested in other people's opinions on what they think of the characters, how they see them? How they see the possible continuation of their stories. Because, I felt hurt that I suddenly didn't understand Astarion's true story and was punished with "kisses like that". And thought, am I the only one like that? Or are there others who didn't like it either?

I don't want to see that kind of content in my game. When I put my heart into my character and my love interest, I suddenly get:
a. no spark in the relationship.
b. I've been cheated on.
c. he turns out to be a hidden sadist.
d. some other nasty option.

I won't buy a game like that. I don't want to sit at the screen with a half-played game and say: "How could you do that?". That's enough in real life, and in a game that's supposed to be a refuge from everything that's going on and a solace, I don't want that, sorry. People can have difficult times in their lives when they have no one to talk to, get advice, or at least be alone with themselves, but your pixelated friend from the screen says, "It's okay, you're the best." And it feels good.
But if your pixel friend suddenly starts insulting you, undeservedly and unjustifiably, I don't even know what to say....

And for that matter, now I'd rather read the most tabloid and vanilla fanfic where there's no sadism and insults, or I'll make up my own story while never turning the game on again, than ride the rusty rails of "violence" as a tool of art.