We programmers get our noses rubbed in our own mistakes many times a day. Once in a while we get to find out that code we were sure of for years was embarrassin

We programmers get our noses rubbed in our own mistakes many times a day. Once in a while we get to find out that code we were sure of for years was embarrassingly wrong. You would expect people with so much experience of fallibility to become especially aware of it, especially ready to have their minds changed by argument, when it comes to unrelated even-more-complicated topics like politics and economics... if you were an alien unexposed to human nature.