The problem with blockchain implementation is that most of them still rely on us to trust someone. It is not implemented in the distributed self hosted way people think. The top hacker news submission about Web 3 (blockchain) points out that NFTs and other blockchain technologies are centralized and reliant on trusting someone in practice [1][2].
[1] https://moxie.org/2022/01/07/web3-first-impressions.html