This feels like the sort of argument where the author wants to reach a certain conclusion, and everything along the ways is invented for that purpose. I understand that the tools used are old, but they’re clearly in that vein as well.
But if we leave theory and simple words behind and go the world of things in practice…
Somalia. How is the government thing working for them?
Game Theory will tell you much more than Economics about why things are the way they are. Once you get past the fact that theory doesn’t use humans as it should.