No one wants to get trapped in a forest, deserted island, or snow, but it pays to know the necessary skills and techniques to survive in every natural environment.
It is easier to survive in a group than trying to survive alone. We humans are social animals and we need others around us in order to truly enjoy life.
The survival needs we encounter on a day-to-day basis are considerably different than "The End Of The World As We Know It" events we tend to prepare for.