Twitter cofounder Jack Dorsey, who also helped co-found Bluesky as a Twitter alternative, says he left Bluesky because it was "literally repeating all the mistakes" Twitter made.
https://www.businessinsider.com/jack-dorsey-bluesky-twiiter-nostr-interview-2024-5
I could be wrong, but I don't think people consider Jack Dorsey relevant anymore.
For many that's true. I follow because he's also involved with AI