This here:

GitHub

Right to Vanish by vitorpamplona · Pull Request #1256 · nostr-protocol/nips

Adds a special event kinds for relays to allow for Full deletion of an account to specific relays Full deletion of an account to ALL relays Read ...

This you, 18 minutes ago, wanting people to thank you for the idea? Do you have a post for reference showing that you originated the idea? Genuinely curious.