The reason ~/.config/app is superior, is that then you can e.g. backup all your configs, or remove your cache, or store ~/.local and ~/.cache on a local fs and

The reason ~/.config/app is superior, is that then you can e.g. backup all your configs, or remove your cache, or store ~/.local and ~/.cache on a local fs and the rest of ~ on NFS. Do you have to use ~/.config/app/ or could you just use ~/.config/app.conf?