Kindleberger's achievement is to use the critical thinking skill of evaluation to examine this strange mindset and the arguments advanced in support of it. He harshly judges the acceptability of the reasons used to create such arguments, and highlights the issues of relevance and adequacy that give us every reason to doubt them. Kindleberger also uses his powers of reasoning to effect an unusual achievement – writing a work soundly rooted in economics that nonetheless engages and convinces a non-specialist audience of the correctness of his arguments.