One of the researchers he interviews about it describes how he lives life with no real home and always has a bag packed with enough essentials to go hike out into the wilderness anywhere in the world--Herzog asks to see the bag and the person happily pulls out an enormous pack and starts pulling out stuff like an inflatable pack raft, stoves, tents, etc. The big point is that you have to be a special kind of person that's not really attached to modern society to go live and work at the end of the world.