Quote Originally Posted by Edax View Post
Even if the Emperor was not evil, he would still be the antagonist. Even non-evil Emperors get rebelled against, that's just how the world works. Not everyone wants to live under an autocracy, even if it isn't evil.
He may have a rebellion, but that would be a different story as the rebels would be evil and Luke would be either evil or join the Empire instead.

(Now I wish Star Wars was like that where Anakin was always good in the prequel, Jedi truly corrupt in evil way, and Luke and maybe Leia too joining their father.)