so these users events are missing the required read/write parameter or what?
or they can't be found?
if they can't be found then they should fall back to whatever they can find
solving the consistency problem is a high level architectural error in nostr, it doesn't need to apply for everything, but some things it does need to definitely be broadcast broadly, which blurs the line between relay and client, since you have to define some reasonable logic for this, and access control and ...
i have not enough emphasis capability in this medium to describe my yawning right now