He turned down owning the entire country. Do you know of anyone that meets your standard?
The French Revolutionaries, Washington's contemporaries, didn't own anybody. How'd that work out? I'll help. Millions dead, and they arrived right back where they started with Napoleon declaring himself hereditary monarch of France.
How about all the other revolutions in the Americas?
What your ascribe to nobility might simply be prudence. The American republic was founded on the ideals and rhetoric of anti-tyranny. Washington may have simply chosen the course of wisdom of not getting overthrown, himself. Or assassinated by any of his various rivals, such as Horatio Gates and the officers of the Newburgh Conspiracy, which sought to remove him as leader of the Continental Army during the war itself.
Maybe choosing not to be a dictator was simply the safest course of action. Least path of resistance.
The French Revolutionaries, Washington's contemporaries, didn't own anybody. How'd that work out? I'll help. Millions dead, and they arrived right back where they started with Napoleon declaring himself hereditary monarch of France.
How about all the other revolutions in the Americas?