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Conventional wisdom vs. evidenced-reality
According to the late Prof. John Kenneth Galbraith, “the notion of conventional wisdom… is commonly understood as knowledge that is accepted within a certain community or among the general public…. [They] tend to hold on to opinions and ideas that fit with their established worldviews. Accordingly, conventional wisdom provides an obstacle for the acceptance of new knowledge or novel and original thinking….
“To its adherents, conventional wisdom provides comfortable padding against inconvenient truths and the complexities of reality…. This is a prime manifestation of vested interest. For a vested interest in understanding is more preciously guarded than any other treasure…. Acceptable ideas are disinclined to change….
“In the struggle between what is correct and what is agreeable, conventional wisdom had a tactical advantage…. There are many reasons why people like to hear articulated that which they approve…. It serves the ego: the individual has the satisfaction of knowing that other and more famous people share his conclusions….
“The enemy of conventional wisdom is not ideas but the march of events [evidence].… The fatal blow to conventional wisdom comes when conventional ideas fail signally to deal with some contingency to which obsolescence has made them palpably inapplicable.… The concept of conventional wisdom accentuated the difference between established truths – fundamentally out-of-touch with contemporary challenges – and new knowledge….”
Yale University’s Prof. Harlan Krumholz adds: “In science, what seems obvious may not be true, and what is accepted as conventional wisdom, may sometimes be based on flawed assumptions.”