I fear Larian reads that people are not happy with Karlachs ending and just add a fluffy rainbow happy end for her while completely ignoring why people were actually diappointed.
Larian sadly does not have that of a good record when "listening to fans".
I am doubtful any of the complaints on the forum will reach the devs. I only know that some devs are on the subreddit, and that has devolved into a full-blown hive mind circlejerk. If you look at the feedback, a lot of substantive complaints about later Acts are getting downvoted.
Anything that strays from the will of the Elder Brain subreddit is annihilated.
