Where the problem is not expert underestimation of randomness, but more: the tools themselves used in regression analyses and similar methods underestimate fat tails, hence the randomness in the data. We should avoid imparting psychological explanations to errors in the use of statistical methods

Analyse dessen, was eigentlich nie passieren dürfte, was jedoch ständig geschieht und unser Leben gewaltig beeinflusst, was mithilfe statistischer Modelle permanent aus unserem Denken ausgeblendet wird. (Joachim Weigelt)