Wow...
So, this is Early Access. Do you understand what this means? Rather than rage quitting and getting a refund, you should stick with it and offer constructive feedback in concise, digestible chunks. If this franchise is so important to you, and I believe it is, then you should try to contribute to its improvement. Running away won’t help anything.
Expecting significant changes during Early Access is ridiculous. I hear this line parroted all the time to excuse a game's faults when it's released in beta or early access. Bugs will be fixed, performance issues will be fixed, combat balancing may take place, but core functionality will not be changed. That has already been decided and is unlikely to be changed because it would result in significant delays to the release schedule.
OP, I suggest using over the shoulder mode and not tactician mode. That way it plays almost exactly like NWN, except you can only rotate the camera. This is a step back from NWN camera controls made 18 years ago for sure, but it's not awful (like NWN2) in my experience.
Also, Larian has purposefully released only the evil companions for early access mode in order to get better feedback on the evil companions. Previously they released all companions in other early access modes and apparently they received the majority of feedback for good aligned companions. This is good in a way, because the evil characters as-written currently are pretty annoying and could use feedback.
Also, a lot of your concerns seem to relate to the D&D 5e ruleset, which apparently mostly gets rid of character alignment and simplified (carebearified) a lot of the rules in order to cater to new players.
It sounds overall that you'll enjoy a more complex game like Pathfinder: Kingmaker instead. I really don't see BG3 ever getting to that level of detail, both because it's based on a 5e ruleset and because Larian caters to a less serious crowd.
