I think it has to do with EOSE: https://github.com/nostr-protocol/nips/blob/master/01.md#from-relay-to-client-sending-events-and-notices
sure, but i'm just surprised relays allow such blanket queries it's so fast it must be a response to a real-time notification, so the bot must have a persistent websocket open
good point, I think they do keep a persistent websocket open