Happens to many people who are praised as experts on a particular topic. They start thinking that everything they say about every topic is true.
Here is an entire website of erroneous predictions: https://foresight.org/news/negativeComments.phpI confess that in 1901, I said to my brother Orville that man would not fly for fifty years? . Ever since, I have distrusted myself and avoided all predictions.
? Wilbur Wright, in a speech to the Aero Club of France, 5 November 1908.