Scotts question is better because it asks to explain why the universe as we see it needs QM. Your question is unbounded because you're asking us to imagine an

Scotts question is better because it asks to explain why the universe as we see it needs QM. Your question is unbounded because you're asking us to imagine an alternative that doesn't exist; there could be infinitely many reasons because there could be infinitely many alternative possibilities you're asking us to imagine with no constaints