!It has been a while since I finished the game and I didn't 100% complete it, but I did explore the majority of the world and encounters, so feel free to note if I missed some detail (there could be something that directly collapses this outside of the main story). Note, the theory only pertains to the scope of Renoirs goal, not whether he was right or wrong (so feel free to think of him as a genocidal maniac if that was your cup of tea).!<
!The key point is that the Gommage only ever affects creations made by Aline (Lumiere and it's people). However, we don't see it touch anything created by Verso, such as the Gestrals, Grandis or Esquie. We are never given reason to think that they can'