[MMMMMM]

Some issues are highly complex. People come from varying backgrounds, and of course not everyone would develop the same opinion on everything, even with the same information and high analytical skills.

However, with more training in how to think (preferably starting at an early age--I am still catching up;-)), we would probably have far fewer people who believe in sheer nonsense. And people believing in sheer nonsense really does cause all sorts of major problems in the world.