From an Everest site:
http://www.mounteverest.net/news.php?id=2100
And another article on three Koreans who died, one covered in snow and left to die.
http://www.mounteverest.net/story/stories/AnoviceclimberstaleofEverestWecoveredhimupwithsnowandhejustwenttosleepJun152004.shtml
Ego over humanity.
Indeed, it is ego over humanity. It's the worship of Self.