I could answer each point separately, but I think the main problem that no one that doesn't like Larian's spin on BG mentions when they talk about what they miss is that every person has a very different list... I really liked that companions started to talk to each other out of the blue, Irenicus, I really liked the character creator, I loved the music, and I really loved to issue orders to everyone at the same pause and then watch them work together to obliterate the enemy. I hated the mind flayers though...
The point is that like I said in a different thread, I'm pretty sure there is a perfect version of BG3 in your mind, but this is how you see the perfect BG3. There are people who will agree with you and other people who will think you got it all wrong.