Do you know -- off the top of your head -- who the primary contributors are to Apache? They wrote the HTTP server that runs the web.
[Edit] Why is the reply nonsense? The point is fairly clear -- there are far more established, widely used, complex and important projects that do not have such vitriolic personalities attached. Zed Shaw's known for his blog posts, not because of any proportionally notable contribution to the open source community.
(The original unmodified comment referred to this reply as "nonsense").