cmd on Nostr: You don't want to send requests to off-line or intermittent peers, so the "send" list ...

You don't want to send requests to off-line or intermittent peers, so the "send" list let's you to select which peers you expect to handle your requests.

The "receive" list is less important to manage, but you may want to be restrict your node's participation with high-risk nodes, in case they get compromised.