The statistics seem to be obviously incorrect, there is no discount for the distribution of the number of files that a contributor might author/have a significa

The statistics seem to be obviously incorrect, there is no discount for the distribution of the number of files that a contributor might author/have a significant effect on. Since most contributors will have made a small number of contributions, this is a large bias. The graph that would ultimately support the point of the article would have the difference between a simulation of a uniform distribution of contributions by the authors, and have a full 0-100% axis for scale, as opposed to the 35-65% presented in this article.