"What this means is that while just as many productive contributors enter the project today as in 2006, they are entering an environment that is increasingly ch

"What this means is that while just as many productive contributors enter the project today as in 2006, they are entering an environment that is increasingly challenging, critical, and/or hostile to their work. These latter findings have also been confirmed through previous research." This confirms to me what I argued on HN last year: http://news.ycombinator.com/item?id=3272926 http://news.ycombinator.com/item?id=3272926 and http://news.ycombinator.com/item?id=3273204 http://news.ycombinator.com/item?id=3273204