D&D is turn based, RTWP is turn based behind the scenes but you need to obsessively pause every split second making it no different from turn based anyway if played out as strategically optimally as possible, as it stands larian's turn based system is way more D&D esque than RTWP ever managed to be IMO
RTWP doesn't really add anything other than creating the possibility for players to mess up micromanaging their party by not obsessively pausing, at least that's what it's been in my experience.