A "poor" diet: The height of luxury?

Irony is a funny thing. Just a generation ago, the height of luxury was to be able to enter a grocery store and buy produce from around the world, and stock up on prepared foods that you needn't cook yourself. While this still exists (especially in the prepared food section of Whole Foods) a new luxury has emerged. It's the practice of eating as if living in want - the way the struggling class used to eat when food was scarce. How is this a luxury? Some who are comfortable (if not rich) now have the luxury of time. And...