If one deletes his Twitter account like nostr:npub1qny3tkh0acurzla8x3zy4nhrjz5zd8l9sy9jys09umwng00manysew95gx has, even a singular follower on nostr is enough.

nostr:note1gwhh35zus436prnpzyj0lup5d066dt9qqpww284ej4k6mxalh69qqxfzfc