Without law enforcement, which is centralized anyway, your documented ownership is worthless. So if the state or a similar centralized real life organization, whiches existence people agree on, is needed to grant and enforce that ownership, blockchain is unnecessary. They can instead just store that shit in a database.
This! It clearly needs more JPEG though. Here, I fixed it: https://morejpeg.com/Image/View/ed39fea5-0150-ef11-8104-ea49aec8cc27