I think that’s what’s happening here. And that was actually mentioned on the same panel iirc.
I always assumed that nostr will be random pockets of data that exist where the people who are interested in those will be able to involved in them.
Like the pocket of data that is for Japan, could be completely isolated from one in Greenland. And that’s totally fine.
Not everyone needs to have access to all the notes, everywhere, at all times.