Certainly are more light and compact than cans, jars, or aseptically sealed plastic (like the Dinty Moore stew trays). But costs more. Whether that form makes sense depends on whether one would expect to travel far from home on foot with lots of supplies, and how long one will want to keep them. November 2012 at home? Conventional food packaging will do.
It would be a holiday after all. Why not live it up while you are huddled around a candle.
We've always had a huge garden, man can winter over quite well with 1000 lb tatoes in basement. We grow mostly cold weather vegetables though.
Our family got 3 moose and a bunch of caribou this past fall, all our freezer are jammed packed and we gave over a moose away to friends.
People don't have to buy expensive survival kits & foods. Just use common sense and stock up when canned goods are on sale, no joke.