I think the exception is when 100x tools already exist, a d the application is so tiny you don't care about overhead. If I only need to store 20 of them on tha

I think the exception is when 100x tools already exist, a d the application is so tiny you don't care about overhead. If I only need to store 20 of them on that floppy, why wouldn't I use UUIDs? Anything else would be more work and likely less flexibility.