The premise of this book is that it is easier to recognize other people’s mistakes than our own. - Daniel Kahneman

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.

People tend to assess the relative importance of
issues by the ease with which they are retrieved from memory — and this is
largely determined by the extent of coverage in the media. Frequently
mentioned topics populate the mind even as others slip away from
awareness. In turn, what the media choose to report corresponds to their
view of what is currently on the public’s mind. It is no accident that
authoritarian regimes exert substantial pressure on independent media.
Because public interest is most easily aroused by dramatic events and by
celebrities, media feeding frenzies are common

This is the essence of intuitive heuristics: when faced with a difficult question, we often answer an easier one instead, usually without noticing the substitution.