I get what you're saying. Is having strong convictions being too lazy to take on another view - or is it lack of intelligence that prohibits them from being able to see another point of view?
I take on board your point about old people though.
One of my employees said he'd voted Labour in the last election because he had student debt. When I asked him if there were any other reasons he said 'No'. I asked him how much he knew about the policies and aims of the other parties, he said 'nothing'. I asked him if he knew anything about...