Anything that's uploadable is copyrighted by someone. How do you prove the uploader owns the copyright? There's no big database of all copyrighted works and i

Anything that's uploadable is copyrighted by someone. How do you prove the uploader owns the copyright? There's no big database of all copyrighted works and if it existed it would be the biggest violator of them all. It is technically impossible to verify the owner of a copyright using anything other than the courts.