Because that just makes him an entitled dick. And the end consequence is Dormammu eats the universe, the end.
The thing here is that this Dr. Strange, was, in many ways, a better person than Strange Prime. He opened his heart to another person, Christine, whom he loved.
However, in the movie, Strange lost his hands (or at least his ability to do surgery) . Because of that he lost his sense of self. He had to absorb the idea that some things couldn't be fixed. That he couldn't fix them. He became Doctor Strange, Sorcerer Supreme, taking up the skills of magic to replace his skil