To my amazement, kind 3 is actually very small. I guess because it's a replaceable event, so each person only has one of them. Still you would think the massive pubkey lists would be huge, but I guess most people aren't actually following a million users.

https://image.nostr.build/c7768b176e78b8b209381ba600648eda858446601fb96fb3b54173e375c1ffbf.png