I finally got Gortash to work by using invis pots to trigger his pre-fight dialogue with Karlach.
Zero opportunity to bring up his background or the House of Hope or Raphael. The dukes and patriars are still without interaction and babbling dialogue about pre-coronation Gortash meet after you deal with Gortash. This is not an artistic choice, this is unfinished content.
By the way, even with Gortash gone, the Fist in the dormitory room stay hostile, and the kind Fist gnome you could help become a deserter by giving him money to get his family out still becomes hostile and attacks you if you open the dormitory door after sabotaging Gortash. So much lack of continuity by late Act 3.
And that Hag coven, Myreena and her brothers were on the chopping block. In my playthrough, the brothers never died, but they don't reappear in Baldur's Gate and the sister hags to Aunt Ethel mentioned in the letters in Act 1 were cut content as well.
The Gondians you rescue and the Ironhand Gnomes you help also never show up in the final battle meeting as the journal states they would. Lots of loose ends left untied.
Regarding Mol in Act 3
We have no explanation whatsoever why she just dumps her gang out with the refugees and just moves on with the Guild. She doesn't even ask about them even though they refer to each other like family. Then, when you recover her contract with Raphael from Raphael's house, you need to just ask her if that's how she survived and that deals with Raphael don't go well in order to get her to join you for the final battle. If you tell her you met and killed Raphael, she becomes furious you killed her patron, that she was going to take over the Guild with him, and when she does in the future the Guild won't look kindly on you, and she won't join you for the final battle. A total schizophrenic writing of the character.