Preferring your side is not necessarily dysrational. What rationality has to do with moral judgments is a non trivial topic.
If you fail to use Bayes rule properly because you are faced with a political question and using it would be a win for the other side, that dysrationalia.
If you fail to use Bayes rule properly because you are faced with a political question and using it would be a win for the other side, that dysrationalia.