I often considered that too, removing the little fishing kit. I can also recall that on a few trips I was able to catch a nice trout or panfish after making camp and it was a real departure from the packaged meals being carried. All it took was a few minutes and a few ounces of fishing gear. Of course the fish have to cooperate too <img src="/images/graemlins/smile.gif" alt="" />
While an average person can survive many days without food, remember that food provides energy and calories to help the body stay warm and the energy helps with being able to cope with other survival challenges.
Besides, I like eating <img src="/images/graemlins/smile.gif" alt="" />