Humans have a unique way of ruining things, and now we can add Mount Everest to that list. The result is a crowded, unruly scene reminiscent of “Lord of the Flies” — at 29,000 feet. Nepal has no strict rules about who can climb Everest, and veteran climbers say that is a recipe for disaster. “You have to qualify to do the Ironman,” said Alan Arnette, a prominent Everest chronicler and climber. What’s wrong with this picture?”…A few decades ago, the people climbing Everest were largely experienced mountaineers willing to pay a lot of money.