There is definitely a narrative that nostr event should be permanent which I guess some relays enforce. Guess that's the most "delete" we can get😃

some relays literally don't have it implemented it requires some extra pieces to work, you have to keep tombstones of the event id to prevent it coming back, and that necessarily implies an eventual need for garbage collection in general and yeah... expiry... i'd implement that on my relay if i kn...