Unity is an incredibly important source for high quality scene development, having a good SDK7 library for Unity is a must. On top of this, our entire metaverse runs on .gltf extensions and is a roadblock to development for every single Unity developer if it is not supported natively.
While I have not seen or used Polygonal Minds sdk6 version, I do have faith based on the quality of the projects they create both inside and outside of DCL that these tools would eliminate this stepping stone to create fully extended model solutions.
Voting yes.
P.s. it would be really cool if the system also supported OMI standards for a potential future vehicle/seating implementation: