First: there is of course an incentive not to admit this.
Second: I do believe that many people on HN really deeply care about technology/hacking topics and have detest for office politics. On the other hand, the people that the article discuss are good at office politics/marketing themselves and often don't have such a deep knowledge about programming. Thus, I would indeed assume that the typical HN reader/writer less likely fits into the "highly overrated people" pattern of the article.
Second: I do believe that many people on HN really deeply care about technology/hacking topics and have detest for office politics. On the other hand, the people that the article discuss are good at office politics/marketing themselves and often don't have such a deep knowledge about programming. Thus, I would indeed assume that the typical HN reader/writer less likely fits into the "highly overrated people" pattern of the article.