You might have meant this comment https://news.ycombinator.com/item?id=31039901 https://news.ycombinator.com/item?id=31039901 (it says people can self-assess (

You might have meant this comment https://news.ycombinator.com/item?id=31039901 https://news.ycombinator.com/item?id=31039901 (it says people can self-assess (no bias), more competent people do it better (less variance))