You don't need to constantly spam relays if you keep a good local performant cache index which is what is missing in most clients.
Discussion
From what I understand of Nostr and apps in general (which is not a lot) and from what I see connecting through Tor, I think this makes sense:
Maybe we just aren't there yet in Nostr development, the point at which you can and should develop a good local cache
oh wait i misread this