Not only by the Gossip model (which is very nice and more clients should adopt it yes). I know that nostr:npub1xdtducdnjerex88gkg2qk2atsdlqsyxqaag4h05jmcpyspqt30wscmntxy is really trying to fetch everything with nostr.band ;-)
Discussion
Our relay may hide the absence of gossip implementation in clients, so I wonder if I should turn the relay off to support this small relays movement. Although at this point with rebroadcasting etc it might not make much of a difference.