If your choices are vote for A and democracy ends or vote for B, it isn't really a choice. If it isn't a choice, it's not a democracy. It's political theater. Not unlike mock elections in dictatorships.
You're fucked either way, both choices are pathways to the same destination. Just at different speeds/ different routes.
He spent an entire week focusing on just this debate at Camp David.
Why would he be tired? What other engagements did he have?