I feel like the basic idea of delegation (assigning roles/tasks) is simple enough. If anything, it’s effective delegation that is tough because you have to know the capabilities of your people, and who would best be suited for what.
He appointed him Secretary, and instituted the improvements Not Sure suggested. He tried to execute him when he got impatient, and the economy was crashing because no one understood why the improvements were suggested.
Then when Not Sure was proven correct, the President made Not Sure President. So it was before and after trying to have him executed due to impatience.