Using well thought out interfaces is a joy wherever we find them.
Something in your comment made me remember a DOS based file "explorer". Screen split down the middle with a folder-tree and file list on both sides. I remember hardly ever turning on the computer without starting that for one task or another. That was some serious UI pleasure, at least for the time. Ha, found it:
I'd say this ain't an opinion - it's a fact. Where else can you rename a bunch of items in your directory tree, recursively, using all the features of your editor - multiple cursors, keyboard macros, spellchecking, etc.?
There just doesn't exist another piece of software (go ahead, prove me wrong) where you can edit your filesystem like a wiki page.
Something in your comment made me remember a DOS based file "explorer". Screen split down the middle with a folder-tree and file list on both sides. I remember hardly ever turning on the computer without starting that for one task or another. That was some serious UI pleasure, at least for the time. Ha, found it:
https://handwiki.org/wiki/Software:File_Commander
Ah, the nostalgia!