There are many scenarios in which you may find yourself in need of heating in an emergency situation. From your house’s heating going out on cold winter’s night to your car breaking down in winter and leaving you stranded for hours, the need to create heat to ward off frostbite and hypothermia is of paramount importance.
A Michael Palin documentary a few years back saw him actually land and set foot on Cape Horn. For those who don’t actually know, Cape Horn is, realistically the last point of “liveable” land on planet earth. Conditions further south are generally too cold, and this particular island is the southern most tip of South America.