Ever read that part in nostr:npub1sn0wdenkukak0d9dfczzeacvhkrgz92ak56egt7vdgzn8pv2wfqqhrjdv9’s book where he explains how data on storage devices isn’t really deleted? It’s kind of like that, but a more transparent way of illustrating how things you post on the internet are not guaranteed to be removed when you want them to be.