And if you don't die? Folks like http://en.wikipedia.org/wiki/Anatoli_Boukreev http://en.wikipedia.org/wiki/Anatoli_Boukreev, who are certainly not dumb-asses,

And if you don't die? Folks like http://en.wikipedia.org/wiki/Anatoli_Boukreev http://en.wikipedia.org/wiki/Anatoli_Boukreev, who are certainly not dumb-asses, have what seems to be an arguably reasonable viewpoint on supplementary oxygen: It gives you a very false sense of security, and that false sense of security (because of oxygen or whatever) is what really kills people.