Yeah, people don't get mocked for evaluating new evidence and reaching a new conclusion based upon it. What they get mocked for is: a) Professing to believe in

Yeah, people don't get mocked for evaluating new evidence and reaching a new conclusion based upon it. What they get mocked for is: a) Professing to believe in something so strongly that they are unwilling to listen to good evidence to the contrary, then later changing their mind. b) Making promises that they later break. This is the really common one we see from politicians — in the UK, at least. Promise something to get into power, then do a complete about-turn when it suits them, not because of new insight gained but because of perceived personal benefits from changing 'opinion'.