Hmm, it is a known fact that for at least the first few seasons of Man vs Wild that Bear Grylls did not in fact stay outside or do anything "survivor-like". He stayed in hotels at night, ate in restaurants and had a camera and safety crew with him at all times. You complain about Les Stroud having a GPS locater on him? Bear has a CAMERA CREW!!!! You think for a that the crew is staying out in the rain and eating bugs and live snakes? I certainly dont think so. I guarentee that they all have cell or satellite phones with them.
Les Stroud, on the other hand, is the real deal. He goes out on his own, eats only what he can find himself and stays outside in shelters that he builds. His show is based on what could be considered real life events, like getting lost at sea, which is why he often has things like a boat around.