Regarding Man v.s. Wild: The entire premise of the show is false. They claim to drop Bear Grylls in some remote location where he has to make it back to civilization. But in reality they seem to just drive around and film him doing stunts, see e.g.: http://www.youtube.com/watch?v=3UpSlpvb1is Worse, a lot of the behavior on that show is terrible survival behavior. E.g. when they did the episode in Iceland Grylls at on…
In much the same way that you generally never want to, for example, be in a situation that causes you to have to use your buddy's secondary breather on a dive, you still want to simulate that while training so that you know what to do if it does happen.
That all said, I totally agree with you in general.