"But Christine", you may say, "I heard gossip might fix this!"
No. It cannot.
In fact, I was being more generous than a gossip network, and assumed you only *received* a message once.
With gossip you might *receive* more than once.
But you need to receive a message to know it.
ATProto was designed for a "big world" view. That's fine! But I'm trying to show seriously what happens if it was actually, really decentralized.
*Every* fully participating node added to the network makes the network explosively more expensive.
ATProto doesn't scale towards decentralization.