The grocery store itself isn't, but the companies that make the food sure are. How much high-fructose corn syrup is in everything nowadays? What kind of preservatives and flavoring agents and coloring chemicals are added to damn near anything you can buy? Maybe it's not rat poison, but unless you're growing, packaging, and preparing your own food, you have no more idea of what kind of additives it contains than a smokers knows what's in their cigs.
The grocery store itself isn't, but the companies that make the food sure are. How much high-fructose corn syrup is in everything nowadays? What kind of preservatives and flavoring agents and coloring chemicals are added to damn near anything you can buy? Maybe it's not rat poison, but unless you're growing, packaging, and preparing your own food, you have no more idea of what kind of additives it contains than a smokers knows what's in their cigs.