This is covered by the following site guideline: Please respond to the strongest plausible interpretation of what someone says, not a weaker one that's easier to criticize. https://news.ycombinator.com/newsguidelines.html
The author claims that there are social constructs in place at wikipedia that lead to a bad working environment for contributors. There is not evidence provided to support this, but there is this offhand sexist and racist comment that gives insight into the way in which this author processes information around him/her. I find this a relevant bit of information for evaluating the merit of the article.
What if you have an article with the title "SpaceX doomed to fail" "SpaceX could never succeed, their goals are unrealistic and they haven't done enough research.... The earth (which is flat by the way)..."
Attacking the author on his flat earth believes would be a no go according to that policy, but it does provide information about the value of the author as a credible source.