I’m quite skinny and I also think I should exercise more and eat less junk food. There isn’t any fat phobia there, it targeted me just as well.

That’s not too weird, until IntelliJ added its lite editor, it was the same way for many years.

Upgrades are easy, backups are really good, if upgrades mess up, you can restore from backup even if NC is hosed. As for local storage, I never did it, but here’s the docs for it! https://docs.nextcloud.com/server/latest/admin_manual/configuration_files/external_storage/local.html

Crippling is a bit extreme - have you used Proton recently?

https://protondb.com/

Check the list, bud. It’s far from just obscura.

I’d have recommended KRename personally. It uses some programming-esque stuff (format specifiers for stuff), but it’s not exactly difficult to do advanced stuff with it.