This is a really good interview. tl;dw is…
- their next game was going to be D&D, but they changed course and are doing something else now
- Vincke has a vision for “the one RPG to rule them all”, and each of their past three RPGs is a step closer to it
- the next game is not going to be that master vision but one step closer toward it, with their previous 3 RPGs proving out emergent design/multiplayer, story and consequence, and personal stories/performance capture, respectively
- Vincke would like to have this next game done in 3 years compared to BG3’s 6 year development cycle, but realistically expects 4 years, as long as there isn’t something like COVID-19 or a war in Ukraine to impede their progress
Given that is the opposite of what Tolkien did i think you are overstating your case to say it’s a foundational tenet.
Not the opposite at all. Tolkien didn’t know what the One Ring was when he wrote about Bilbo finding it in the Hobbit. Good worldbuilding is iterative. Tolkien went way too obsessive for LOTR and a lot of the worldbuilding he did was purely for his own pleasure rather than serving the story.
Keep in mind he didn’t try to publish The Silmarillion while he was alive. And also that the vast majority of LOTR fans don’t give a shit about stuff in the Silmarillion if it isn’t also relevant to the story of LOTR.
Tolkien spent years creating a fictional world and languages before even deciding to write a novel.