I found this very disturbing article about a current TV mini-series on an expedition up Everest.
http://www.mounteverest.net/news.php?news=15288 Here's the beginning of the article:
"It was the most shameful act in the history of mountaineering: 40 climbers, including a large number of guides and clients from a team offering climbs for profit, stepped over a dying independent mountaineer en route to summit. On their way down from the top, they stopped and video filmed a chat with the fading climber, for an upcoming documentary."
The article went on to say that no one attempted to rescue him. "David died later that night, alone out in the cold, a mere one hour's climb from the warmth of high camp. "