5 posts
If science keeps changing its mind, is any of it authoritative? The honest answer requires noticing that revisions have sizes. Going from a flat Earth to a sphere corrects 8 inches per mile; going from sphere to oblate spheroid corrects three hundredths of an inch.
Inherited rules can preserve hard-won knowledge, reduce decision costs, and protect against biased exceptions. They can also survive through inertia and serve interests we no longer endorse. Age creates a reason to investigate—not a duty to obey.
Comparing free-speech regimes by reading their constitutions gets you the wrong answer. India's enumerated restrictions are not far from Germany's, and further from America's. The difference that matters is that a struck-down provision produced twice as many cases after it was struck down as before.
The mathematical case for trusting majorities has two conditions attached. One of them — that people judge independently — is destroyed by the ordinary act of letting them see each other's answers. Experiments show groups converging hard, feeling more confident, and getting no more accurate.
A credential is a claim about a person, not about a sentence. When reviewers went looking for evidence behind 160 recommendations made on two syndicated medical talk shows, they could not find any for 39% of the Dr Oz Show's, and found the best available evidence contradicted another 15%.
