See how quickly you changed your tune from "debt prisons" to finally addressing the economics of the federal reserve? You ain't slick breh
The fact is the economic system places countries in perpetual debt that is impossible to come out of. That's the point that's being made. And they force other countries, thru America and the the U.K., to bow to that. That's exactly what he meant.
All the stuff you keep mentioning is irrelevant. Certain houses being available doesn't change anything. Just as cars, jewelry or whatever else you want to point to. The economic system is meant to subjugate govts, who then give their citizens and the work they produce to the banks as collateral. No matter how you slice it, that's economic slavery. You try to skate around that by saying "you can leave" which isn't the point of the convo