|Who of us wants to listen to stuff that contradicts our fixed notions|
Yesterday's New York Times also had an article about how Trump supporters are getting little information -- if they stick to their favourite news sites and news channels -- about the whole Russia / Comey "things".
Mind: both sides are guilty here. Cognitive dissonance and confirmation bias appear to be ingrained in homo sapiens... (ie, homo not so sapiens). For various good evolutionary reasons.