They should hide somewhere in the game itself the real credits of the people that spent significant effort to make the game. An Easter Egg if you will. Like just after defeating the dragon, you find a scroll in their horde with the real credits.
Same reason anyone has played any of the thousands of games that predate “the cloud” or games that don’t even have a save feature. Cloud saves? No thanks, never have, maybe never will.
Besides, if you’re not paying for the service, you’re the product not the consumer.