Now of course having scripts and pre-commit hooks enforcing simple rules so that files must only use a subset of Unicode are a thing and do help. Do you really

Now of course having scripts and pre-commit hooks enforcing simple rules so that files must only use a subset of Unicode are a thing and do help. Do you really think that, say, all music streaming services are storing their songs with names allowing Unicode HANGUL fillers and control characters allowing to modify the direction of characters? Or... Maybe just maybe that Unicode characters belong to metadata and that a strict rule of "only visible ASCII chars are allowed and nothing else or you're fired" does make sense. I'm not saying you always have control on every single filename you'll ever encounter. But when you've got power over that and can enforce saner rules, sometimes it's a good idea to use it. You'll thank me later.