For what it's worth, I would be willing to label ndoc stuff with some labeling tool, but neither of the ones that I know of, work. Spammy looking hashtag comments aren't ideal but they do create a nice cohesiveness... until the hashtag gets highjacked, of course. If there is a better way to approach this to help make that content more accessible, I'm all ears.
Discussion
Emergent organization will happen anyway. Nested quote notes to keep track of daily music posts broke Amethyst - but it fundamentally was done because of a desire to organize. Kind 1 is the most viewable and interacted type of data on nostr, and its inevitable. nostr:nprofile1qqsyawyrzrttfmv4cmtx5w2m85702kdct7hv3amfrkhagpdf9cz46mgpzemhxue69uhkummnw3ex2mrfw3jhxtn0wfnj7qg6waehxw309ac8junpd45kgtnxd9shg6npvchxxmmd9uq3kamnwvaz7tmjv4kxz7fwdehhxarjwpkx2cnn9e3k7mf0aur9gg has a number of hashtags to organize her content, recalling them.
The whole 30040/41 event spec was built off this fundamental desire to organize events into larger structures, which generalized, applies to a multitude of knowledge organization systems. If there aren't intuitive up front ways to organize our ideas, they will occur one way or another.