I understand the statement, but it's a bit odd in a game that allows you to module your perfect kink line. I mean, in any other game where the all the characters and kinks are set in stones it would make a lot more sense. But in a game where you could literally magic a fetish or anything else to anyone, it's a bit harder to simply say "cater to a specific kink".
But even with my rant, I don't say it needs to change but I do find it a bit funny. After all some characters might be way too strong for you to influence due to the world logic.
What you're missing here is how the game actually works. There's no AI, just branching dialogue trees.
So, a sex scene with a random NPC plays out according to their kinks affecting the chance that particular actions will be attempted, "building" a sex scene out of the dialogue and descriptions that are then triggered. With those characters, there's no problem with altering their dialogue because that dialogue is totally dependent upon variables in the code plus a bit of RNG.
The interactions with unique NPCs, like Natalya, aren't like that. The only way to create a submissive Natalya, would be for Inno to
write a submissive Natalya. What you are asking is the equivalent of someone rewriting the first chapter of 50 Shades of Grey to make Christian Grey a sane non-asshole and then expecting those changes to make the rest of the book change.