Good point. Convenience rules. But I was certainly trained to buy peanut butter instead of putting peanuts in a blender. When the only source of food are gian

Good point. Convenience rules. But I was certainly trained to buy peanut butter instead of putting peanuts in a blender. When the only source of food are giant super markets 95% filled with aisles of packaged processed products (be they generic or otherwise) then yes people are trained from birth to buy them.