If there is one ‘truism’ – something obvious and neither new or interesting – it is that the vast majority of people rely on authority figures in forming their own opinions. What else can we expect when our education system at its core (the tests) punishes students for being wrong. The SAT and ACT regimes are long lists of things to be memorized, statements by authority figures that students must regurgitate to land in a good college. It instills students with fear of being wrong even as mistakes are the best teachers around.
I long ago read a book (I should stop right there) by Edward Bernays called “Propaganda.” I would imagine at a website like this many others have read it as well. It was an interesting book in that Bernays, writing in the 1920s, came right out and said things that were known to be true among insiders, but were rarely spoken outside of the club (the men of his time who managed public opinion). I cite here a passage that appears right at the opening:
Well, it is the seventeenth anniversary of 9/11, so this has to be written. Please take time to review Kevin’s article below, 

I was not prepared to accept this comment from XE on first reading. It sat uncomfortably even as I know I can be fooled, and have been time and again.