The question is basically answered now, so I’ll just drop this video here for some additional context about Microsoft’s history of trying to build a file system that solves the problem, and the challenges they faced even in the early XP days:

www.youtube.com/watch?v=h5d5H92c4Mk

tl;dw: MS tried to understand the context of each file, not just the name. Once you add dozens of pieces of metadata to each of tens of thousands of files (even 20+ years ago), the whole system became too difficult for them to properly index and manage efficiently.