Leave America and you'll find that the consumers in many other countries enjoy watching advertising. Not because the products are better, but because the ads are produced to be entertaining. Sometimes they are funny. Sometimes they are dramatic. Sometimes they are just beautiful.
In the 1980s America reacted to the Soviet Union's invasion of Afghanistan. We supported a war that left a nation torn to pieces. And as the last Soviet tank left the country, so did we.
Wal-Mart's size and scale is so vast they literally have the ability to change the face of the entire country. If Wal-Mart were to make a decision tomorrow to refuse to sell a single product made with partially hydrogenated oils, for example, we'd probably see rates from heart disease decline a few years later. That's how powerful Wal-Mart is.
When I was in college, my school newspaper accepted an ad from a Holocaust revisionist organization. This would have been offensive on most college campuses across the country, but I went to a school with a very large Jewish population, so the ad, as you might expect, stirred absolute outrage.