Nyhan says that’s because when it comes to politics, there’s a weak incentive to hold accurate political views, which means people tend to feel strongly about their political views but don’t really care whether they are factually correct.
I think this is very true. People who are blindly angry tend to argue their own emotions and what they perceive to be correct instead of using facts. People also need to thoroughly understand both sides of a topic before stating one's own opinion.