There is a deep gap between our thinking about statistics and our thinking about individual cases. - Daniel Kahneman

There's literally no difference between a physician recognizing a disease from a "facial expression", and a little child pointing to something and saying "doggie".

Because we tend to be nice to other people when they please us and nasty when they do not, we are statistically punished for being nice and rewarded for being nasty.

However, optimism is highly valued, socially and in the market; people and firms reward the providers of dangerously misleading information more than they reward truth tellers. One of the lessons of the financial crisis that led to the Great Recession is that there are periods in which competition, among experts and among organizations, creates powerful forces that favor a collective blindness to risk and uncertainty.