This article is over two years old, and all of the things it promised never happened.

The reason for this is that blockchain doesn't solve any technical problems outside of cryptocurrencies and NFTs that cannot be solved better without blockchain.

And "centralized blockchain" is essentially an oxymoron, and any institution thinking of using blockchain to solve a problem is necessarily... centralized. Blockchain outside of the context of cryptocurrencies and NFTs is a solution in search of a problem, and they still haven't found one.