I honestly would be extremely upset if I was Justin Sun and saw this action from a platform that I was taking over.
He may think that he's taking over a platform. He's bought one D'app on that platform. Yes the first and the most influence on the platform but it's ONE D'app. How do you think the other D'app owners felt seeing the announcement their hard work was going to be moved to another blockchain without them being in agreement before the announcement was made?
Justin may be a smart business man but claiming ownership that isn't his doesn't give him ownership.