I see now. As far as I now there isn’t a shortcut solution like you want. Though I do believe that Windows and Linux allow you to sort files by metadata like genre. Not sure about Android.
Why not host Jellyfin? Or point your OSs media player to the folder? You would be able to sort any way you please.
Lol. It actually gives me anxiety thinking about a single folder with hundreds of video files just sitting there unorganized. /shudders
(I didn’t read the article) Is it the drug or is it the pain the drug is taken to alleviate? If I’ve got a headache or muscle soreness I’m more likely to focus on that than someones fee-fees.