I'd expect that the ai is at least capable of changing targets, or moving around on the battlefield without getting stuck. These are basics. BG3, for all the issues that need to be fixed (e.g. searching for stealth was improved with patch 5, but not enough in my opinion) is already better than WotR.
I do not know if we are talking about the same game, but in BG3 moving as a group is a mess. They get stuck, go around, stay behind, move away, etc all the time. At least (finally!) the pets learned how to jump...
The difference is that in Wotr you can play combat in RtWP. In TB they do not get stuck because you move them one by one, you set the targets yourself or they warned you "you cannot move there" . You do not have such problems in TB both in Bg3 or Wotr.
