Having sex and gore isn't necessarily bad. So long as it's only used as is necessary and is integrated naturally into the story.
I agree with most of your points. And was what I also tried to point out in my previous comment. Gore for gore sake, or sex for sex sake do not make good games. It doesn't mean there can be none, but it has to be intertwined so it is fun, or at least interesting to play. I think about the game Agony for instance. I have not played it, but boy it flopped.
I do think Larians decisions that aren't changed in the final game (BG3) should be taken as what they wanted. At least we can not know otherwise unless something is said from the devs themselves.
I am curious what this "unfiltered" Larian will look like. I hope they still think about the plot and player enjoyment.
The sex scene in the trailer is censored on Youtube btw. Also hope they removed the child actor before the trailer started!