O’s leftist, anti-colonial, and Islamic Messiah complex and Mooch’s Marie Antoinette attitudes won’t let him/them quit.
He might want to graduate to UN President of the World, but can’t on such short notice. He won’t drop out—he’ll intensify the negative campaign and ramp up the vote-stealing effort.
Mantoinette doesn't actually like playing the part of First Lady at all, or any lady for that matter. She's more comfortable living in Chicago wallowing in envy than living in a white house being the target of envy. With Hitlery in the wings, she is absolutely terrified of flying anywhere in the same aircraft with Bobo.