Silberengel on Nostr: It addresses both scenarios because you can write directly to the big ones. You can ...

It addresses both scenarios because you can write directly to the big ones.
You can explicitly choose the relay you want to write to, in some particular instance, while your outboxes tell others where a copy of your notes can _usually_ be found.

So, I am writing to a big relay, right now, but a copy is stored in my personal relay.