At 10,000 feet it's surprising to me that there haven't been more (any) meaningful projects at the intersection of ML and web3.

But if you look a bit closer it makes some sense. ML is about predictions and probability whereas blockchains are deterministic.

making data useful with AI. Previously built @stelo to keep you safe from phishing 
benscharfstein.twitter
https://nf.td/ben

There isn’t a ton of data yet on people. You can do blockchain security ML, but otherwise folks are still creating datasets and decentralized ML protocols.