This is, typical of Vex, a long and well-thought out post, so give it a half an hour or so to read first time through.
As I read it, he was taking me though, step by step, the dismantling of the country and seizure of resources by the wealthy classes in the wake of the passage of the Federal Reserve Act in 1913. First came a war, of course, and the massive spending and debt that goes with that. But then followed, as the lamb follows Mary, corruption as one resource after another, from oil to steel, copper, and even nitrates, were concentrated in a few wealthy hands.
He names names, most familiar, and companies, also very familiar for much of the piece, but he does not go into genealogy, a welcome relief, as far as I am concerned.