A well written article from Outdoor magazine on the 2012 season at Everest. You should absolutely read it here.
Two interesting concepts out of this article. The first and most interesting is that accurate weather reporting has led to a better prediction of the good weather days for a summit attempt. With that prediction, more teams will try and make the push on the same day, creating the traffic jam at the Hillary Step and other places…as we saw in 2012 (and before). The second is that poorly prepared climbers are lured by less than serious guiding outfits that focus more on profit than safety.
The author spent his time at Everest base camp this year, so the article has a well founded base in reality, at least as the author saw it from base camp.