Whenever I'm thinking about sorting and filesystems, I think of this post from Stephen Wolfram [0] and it's HN discussion [1]. The bit on filesystems is titled 'My Filesystem'. The basic premise is broad categories are better than narrow. It has constrained my urge to waste time hyper-categorizing things.

[0] https://writings.stephenwolfram.com/2019/02/seeking-the-prod... [1] https://news.ycombinator.com/item?id=26045380