It's like satire, except not. I could go line by line about how ridiculous these statements are, but I think the previous sentence does a pretty good job of summarizing it.
The reader comments are the crazy part. I'm not going to read all 800+ of them, but I read ten before I found one that agreed with Krugman. That's far from a scientific survey, but if 90% of Krugman's own readers on the NY Times website disagree with him, you know he has a problem.