Dude relays were solved with strfry. It's all about the CLieNtS now.
Discussion
True
the worst thing in nostr is that people think relays are as simple as:
its fixed and finished by strfry... :brokenheart:
Imo, relays are the key to ensuring "data purity" by serving as the gatekeepers for high quality events. Whatever algorithm you want to use to get that data set is fine, because whatever clients you use will benefit downstream of it.