Only 15%? Wimp!😋 But 100% is much too much for me too (With a bucket I could play it for a few minutes.)
No LOD system? Then I'm surprised it works out so well at all. Then I still have hope that it will run 100% smooth on the Quest at some point.
Something else on the side: I can't have enough options for my part but others could be overtaxed by the flood of possibilities. In our country people always say: Less is more!