[haihaibye]

>> 2. that an idea is more likely to be true simply because it hurts people's feelings.

I suspect, given two hypotheses- one that is politically correct and one that isn't- the politically incorrect one will be held to a much higher standard of evidence required due to confirmation bias and people acting as described in the article.

If you look at psychology, the politically incorrect results (IQ) have much better evidence despite being constantly attacked. Compare that to say, priming and sterotype threat - which everyone wanted to believe in.