I agree but those files are already stored somewhere - your PC, kindle, cloud account etc.
On top of which, purchasing a movie via the Google Play Store or a book via Kindle doesn't mean you actually own that digital asset, just that you have access to it (which can be revoked by the platform).
What I imagine being possible here is to transfer ownership of the pointer to that digital asset from your account to a friend's account and commit that ownership transfer on the blockchain as proof to everyone.
If you want your copy back, either you have to have your friend transfer it back, or purchase a new digital copy.
If we move more in the direction of owning digital assets, this might be a big field for block chain to solve. Though this is certainly shrinking as we move to a subscription service economy for these goods - Spotify, Stadia, etc.
TLDR I think blockchain can lead us back to full and complete ownership of digital assets outside of any platform equivalent to owning a physical copy that I can lend out and get back.
If I buy something from Google Play Store, then I'm legally entitled to it, and if Google refuses to give it to me I can make them refund the money or give me the digital asset I own via legal system. NFT has no such requirement and NFT NEEDs legal system then written paper with two parties signature is just as valid.
On top of which, purchasing a movie via the Google Play Store or a book via Kindle doesn't mean you actually own that digital asset, just that you have access to it (which can be revoked by the platform).
What I imagine being possible here is to transfer ownership of the pointer to that digital asset from your account to a friend's account and commit that ownership transfer on the blockchain as proof to everyone.
If you want your copy back, either you have to have your friend transfer it back, or purchase a new digital copy.
If we move more in the direction of owning digital assets, this might be a big field for block chain to solve. Though this is certainly shrinking as we move to a subscription service economy for these goods - Spotify, Stadia, etc.
TLDR I think blockchain can lead us back to full and complete ownership of digital assets outside of any platform equivalent to owning a physical copy that I can lend out and get back.