This is the biggest design flaw of lemmy.
Instances should host separate content, and aggregation of separate instances should be up the client.
Instead we got the worst of all worlds. It means that lemmy can never truly scale performance wise or survive legal wise.
Hopefully they solve it in some way, but I don’t see how unless they do the above and totally remove cross instance caching
I feel like this is one of those multiverse branch moments where Skynet is created.