Curation is the main problem. Google's promise was automatic curation based on the link metadata created by people but that's starting to fail as they try to in

Curation is the main problem. Google's promise was automatic curation based on the link metadata created by people but that's starting to fail as they try to infer intent from other signals fed into large ML models. I'm not sure if this is solvable problem in the current ecosystem. The commercial web is now pretty much set in stone and I don't think there is a way around the juggernauts and their data centers.