LOL, I think I'm going to have to take credit for this. In return, at least, I did learn about
Physiocracy.
There's no telling why Krugman missed this. I don't think he's an actual idiot. I think he's mostly just a political shill.
Either way, it's not really surprising to me. Economists don't seem to have the slightest clue about the real world. Here's a perfect example, from an argument I had several years back with a couple of economists on YouTube. I just happened to stumble upon it, looking for some of my recent posts on the obsolescence of human labor:
Yes, that is a real life economist. And, yes, he thinks that matter and energy cannot be depleted. Do you see just how screwed we all are?