Nope, he's wrong about this too. On the scale of half a billion people lifted from absolute poverty by making the US "rich". Note, by the way, the rapidly increasing flow of western consumer goods into countries like China and India.
They didn't revolt when they were poor, why should they start now?
Also, I didn't exclude anyone - the article is very explicitly about wealth distribution in the US.
Well, I've read that just after things get better in that sort of way revolutions are a not entirely unknown development. I don't remember the arguments for why this might be so, but the more people who have spare time and energy, "the devil finds work for idle hands" and all that.
They didn't revolt when they were poor, why should they start now?
Also, I didn't exclude anyone - the article is very explicitly about wealth distribution in the US.