Not a huge difference if you add your own obfuscation layer, but the UI and tooling isn't built around that use case.
Does Drive require a google account? I haven't tested that. If so that's really sad. I know you can share with non-google email addresses but maybe they have to already be logged in with a google account for it to work.
Does Drive require a google account? I haven't tested that. If so that's really sad. I know you can share with non-google email addresses but maybe they have to already be logged in with a google account for it to work.