… just because someone is really smart and successful at A does not necessarily mean their opinion on B is worth squat. As always, as a consumer of opinions, caveat emptor should always be the watchwords.
The first time I really encountered this phenomenon (outside of obvious examples such as the political and economic opinions of Hollywood celebrities) was related to climate change. I don’t see them as often today, but for a while it used to be very common for letters to circulate in support of climate change science signed by hundreds or thousands of scientists.
The list of signatures was always impressive, but when you looked into it, there was a problem: few if any of the folks who signed had spent any time really looking at the details of climate science — they were busy happily studying subatomic particles or looking for dark energy in space. It turned out most of them had fallen for the climate alarmist marketing ploy that opposition to catastrophic man-made global warming theory was by people who were anti-science. And thus by signing the letter they weren’t saying they had looked into it all and confirmed the science looked good to them, they were merely saying they supported science.
When some of them looked into the details of climate science later, they were appalled. Many have reached the same general conclusions that I have, that CO2 is certainly causing some warming but the magnitude of that warming or in particular the magnitude and direction of its knock on effects like floods or droughts or tornadoes, is far from settled science.
So it is often the case that people who show strong support for ideas or people outside of their domain do so for reasons other than having made use of their expertise and experience to take a deep dive into the issues. Theranos is a great example from the business world. Elizabeth Holmes convinced a bunch of men (and they were mostly all men — women seemed to have more immunity to her BS) who were extraordinarily successful in their own domains (George Schultz, the Murdochs, Henry Kissinger, Larry Ellison) to become passionate believers in her vision. Which is fine, it was a lovely vision. But they spent zero time testing whether she could really do it, and worse, refused to countenance any reality checks about problems Theranos was facing because Holmes convinced them that critics were just bad-intentioned people representing nefarious interests who wanted her vision to fail.
Warren Meyer, “People Who Express Opinions Outside of their Domain Seldom Have Really Looked into it Much”, Coyote Blog, 2019-05-28.
March 18, 2023
QotD: Experts outside their field of expertise
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