I can definitely see where you're coming from. I've logged so many hours on the original Baldur's Gate games over the years and it's a series I always come back to. However, with two decades separating the original games from BG3, there is no doubt much would need to change.
I play D&D 5e, so I think I am handling the changes to the gameplay pretty well compared to those that might not play the table top game. What I saw from the demo was very accurate in regards to the table top experience, but not necessarily the BG2 experience. D&D has changed a lot since then, so it is no wonder BG3 would need to change too.
I debated on whether turn-based was the way to go for this game considering BG1 and BG2 were RTwP, but I think getting as close to D&D 5e as possible is the right call...however...others will disagree and that is perfectly valid.
Seeing D&D monsters, races, classes, spells, and lore will hopefully reignite the feeling you're looking for.
I think people see the graphics and turn-based combat and immediately think BG3 is Divinity Original Sin re-skinned. I think that is over-simplified. BG3, unlike Divinity, is a class-bassed system (as D&D should be). That alone is going to change how the game is played. I think it will offer a lot as far as replayability too.
