Late reply... I think lack of education is part of it. The other part is that we are bombarded with content designed to keep us glued to the screen, and the bes

Late reply... I think lack of education is part of it. The other part is that we are bombarded with content designed to keep us glued to the screen, and the best to do that is to feed us stuff we either agree with or that causes us to feel self-righteous indignation :)