Try reading Lewis' That Hideous Strength and Perelandra for a more careful unpacking of this theme. The idea is precisely what the Magister says: the "gods" - i.e. great spiritual beings - were created by God and are perfectly submitted to Him. Only in the diseased and damaged imaginations of sinful humans have we projected onto them our own immorality, and worshiped them because they were greater than us. They would not have it so.
Meanwhile...
*throws grapes at Eveningstar*
Interloper! How dare you frolic and be joyful when there is so much to be glum and dour about? How dare you dance around Aslan as if He'd liberated you, and join hands with your fellow ex-prisoners to make total fools of yourselves? Have you no dignity, no self-respect? If you don't cut it out, I'm going to put you on that donkey and take you into exile among the Marsh-wiggles to teach you to take a properly serious view of things! (And a badger on a donkey is quite a foolish sight, I assure you!)
Meanwhile...
*throws grapes at Eveningstar*
Interloper! How dare you frolic and be joyful when there is so much to be glum and dour about? How dare you dance around Aslan as if He'd liberated you, and join hands with your fellow ex-prisoners to make total fools of yourselves? Have you no dignity, no self-respect? If you don't cut it out, I'm going to put you on that donkey and take you into exile among the Marsh-wiggles to teach you to take a properly serious view of things! (And a badger on a donkey is quite a foolish sight, I assure you!)