Yup. I am a member of the Church of Jesus Christ of Latter Day Saints (the Mormons), and we do try to keep a stockpile of food essentials around in case of things like drought, blizzards, hurricanes, and other disasters, natural, or man-made. It just makes sense. Originally, we were advised to keep a two year supply of food, water, and fuel. As that is very difficult for many, the amount has been reduced.
Foods to keep are things like rice, wheat, dried legumes, honey, sugar, freeze-dried, or dehydrated foods, seasonings, etc. We are also advised to plant and keep gardens, and can the foods we grow, if possible.
Way too many things can disrupt the food supply. It just makes sense. I have some foods, but not what I should have. My garden is doing very well right now, and so I am starting to purchase canning supplies, and enjoying the fruits of my early labor.
The idea of stockpiling is to give yourself a nutritious cache of food for emergencies that is worth eating. It doesn't need to be gourmet, but has to be good enough to eat for a good period of time.
I personally know of several people, including me and my family, who have lived off of food storage when between jobs (such as when i was out fresh out of the Navy, living in Spokane, with no jobs available during the recession of 82/83). You never know when the unexpected can rise up and hit you. It's a good idea.
Seeeeeeya; Chief Longwind of the North