Well the "jewel" you point out was merely the conclusion of the paragraph is was in; it's hardly mentioned again throughout the rest of the essay. Furthermore,

Well the "jewel" you point out was merely the conclusion of the paragraph is was in; it's hardly mentioned again throughout the rest of the essay. Furthermore, he's pretty consistent in laying out that these are merely his thoughts and interpretations regarding the matter; I don't think it's necessary that he prove all of his statements. He merely lays out what he believes is a logical progression which culminates in the final conclusion that a capitalist society is not sustainable, and that a socialist society would be better for people in general. I thought it was an interesting read, and it articulated thoughts I've had regarding the same issue for a while now.