"Which brings us to Mark Buchanan, a physicist I have regularly made fun of for his forays into very questionable economics. On the usual grounds: as Feynman pointed out, a scientist opining outside his knowledge base is just as dumb as the next guy.
The strictures of physics don't really map over the knowledge base of economics which is what leads to error"
A 1/2 rate physicist can grasp the cod 'science' that is Economics without breaking sweat.