As much as I'd love RTwP for a game scratching many of the similar itches BG3 leans toward doing for me, D&D 5e is turnbased. There's enough things to criticise for straying from RAW already, that'd be the biggest. (And it'd require a complete remake of the game on a fundamental level) so it just won't happen IMO.
At best some polish and iteration on certain encounters, such as the goblin village, needs to be made to protect from overly insane combat rosters.
