A Round Unvarnish'd Tale shares Charles Platt's fascinating apologia for Wal-Mart. I really suggest you read the whole thing. All other things aside, the crux of his argument comes to two points: one, Wal-Mart's business model and treatment of employees are typical of the retail sector in general, and better than any of its competitors; and secondly (emphasis mine)
To my mind, the real scandal is not that a large corporation doesn't pay people more. The scandal is that so many people have so little economic value. Despite (or because of) a free public school system, millions of teenagers enter the work force without marketable skills. So why would anyone expect them to be well paid?"The truth hurts.