We need broad adoption of strfry negentropy inter-relay note rectification protocol for this to work. 

We need mid and small relays. Smalls talk to a few mids to limit data and rectify a smaller set of notes follows/followers of follows/followers and maybe some subscribed hash tags. Mids talk mainly to other mids and a unique groups of smalls and rectify a larger set of the follows/followers of follows/followers and hash tags of connected small relays.

I think a system with built in economics will create an incentivized, sustainable, durable, and decentralized network. Ecash attached to notes signed to relay keys is a possible economic model. Smalls collect ecash from users and pay to mids for updates. Network congestion could lead to these fees becoming dynamic. The alpha in the fees becomes the operational budget of small and mid relays. Federations of mids could group into fedimints or run their own cashu mints for settling balances and allowing lightning withdrawals.