DE is not just Kurvitz or anyone else who worked on the game in particular, it was a combination of *all* of ZA\UM, the effort of everybody to produce a game like that.
So if you take all that talent, and divide it by four, with no particular balance of talent guaranteed in between, when, I'm 80% confident to call it, none of them have what it takes to make a worthy heir to DE's fame.
Someone else will probably gather a fresh team of completely new people, all motivated and inspired and produce THE one true successor. Much like Disco Elysium did for Planescape: Torment.