Athletics is full of good testcases for this: people develop very strongly held beliefs about things that don't hold up with empirical evidence, and can be very

Athletics is full of good testcases for this: people develop very strongly held beliefs about things that don't hold up with empirical evidence, and can be very resistant to change. Many of the patterns discussed in the linked essay can be observed, as well as many biases (surely X would have been adopted by professional players if it worked / wouldn't have been adopted by professionals if it didn't work).