Oh, pooh. If it went over your head, that's your fault for not seeing an obvious jab.
I've noticed that a lot of folks on FR have begun using "elitist" as an insult.
I think the definition of "elitist" in that context must be something along the following lines. "An elitist says things that I don't understand, and which test my comfortable assumptions."
Brooks is not even a decent writer.