Whatever Became of Grownups?

Gerald Nachman, in his article "The Teening of America", talks about how our declining culture is catering to the immature. This sentence sums it up pretty well, I thought: "I suspect one reason Mad Men made such an impact is that it's about actual grownups (however messed up), with real jobs and serious problems, all dressed in business clothes, who inhabit a seemingly long-ago adult world".