That proves too much. There’s nothing inherent in the paper that grants any rights and privileges. It’s the legal system that does that. A digital token is either meaningless (if the legal system doesn’t recognize it) or massive overkill (if the legal system treats it the same as a wet signature).
Title companies are fading away with the advent of digital land registries (using plain old boring databases).
As usual for “like X but with a blockchain” this is a solution in search of a problem. Because despite all the protestations to the contrary the real motivation for crypto is not providing useful goods or services in exchange for reasonable compensation, it is getting rich by being an early adopter.
