A couple of readers to this effect: "Aren't you a bit embarrassed to be laying in to illegal immigrants, having confessed that you yourself were once an illegal immigrant?" No. I look on it as being sort of like the reformed drunk at a temperance meeting.
Brad, I think, got carried away, and many of his commenters agree. Derbyshire, they say, is "callous," "amoral," "loathsome," "hateful, selfish, and small," not to mention insufferable, and despicable, but those qualities don't equate to stupidity. In fact, it could be argued that Derbyshire is sort of an apotheosis the "Republican Man." Except for inarticulate stupidity of course. Fortunately his president has that covered.