Well, afterall, he is an authority, and too much evidential detail likely would detract from his goal to help the general public improve the ability to identify

Well, afterall, he is an authority, and too much evidential detail likely would detract from his goal to help the general public improve the ability to identify and understand errors of judgement and choice, in others and eventually in ourselves, by providing a richer and more precise language to discuss them. You might prefer his scholarly writings over those intended for a general audience: https://scholar.princeton.edu/kahneman/publications-0 https://scholar.princeton.edu/kahneman/publications-0