I think the purpose of the article was perfectly clear. Arguing against those in the upper middle class that place an inordinate amount of focus on their personal virtues as the reason for their success.

"Both lines of thinking assert that the lower classes cannot control themselves, so they deserve exactly what they have and nothing more. No need, then, for higher wages or subsidized health care. After all, the poor will just waste it on cigarettes and cheeseburgers."