Didn't say they weren't but the list states "Middle class Americans trying to raise families."

The upper 20% should have the intellect but often may have skeletons in their closets , thus still hard to hold two opposite paths. Should vs haven't in the past.

"Cognitive dissonance is described as the mental discomfort people feel when their beliefs and actions are inconsistent and contradictory, ultimately encouraging some change (often either in their beliefs or actions) to align better and reduce this dissonance"