I would even say it's not rational, but cult like. Rationality is based on logical skepticism. More often than not, it's swimming against the tide questioning generally accepted axioms.
I agree. Rationality includes avoiding confirmation bias (the tendency to search for, interpret, favor, and recall information in a way that confirms or supports one's prior beliefs or values).
Favoring information that confirms one's prior beliefs is the opposite of rational.
Favoring information that confirms one's prior beliefs is the opposite of rational.