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"What happened to the belief of food as being something sacred, as being a sacrifice that the earth makes for our sustenance?"
Come on, Sami. There's hardly a culture in the world that doesn't value good food, whether they are impoverished or not. Some of the greatest cuisine in the world is born from economic hardship married with invention (for example, French peasant cooking). Many foodies are well aware of the sacredness of food; maybe more so than many non-foodies that just cram $.99 hamburgers into their mouths.
Plus if you had paid attention to the article, you would see the author is critical of her friends' wasteful eating habits. So I'm not sure how this article conflicts with your aesthetics.