Earlier quoted context omitted.
DDOSing humans rarely benefits the truth. In case of cognitive overload, humans tend to favor the simple answers, not the correct one.
I really don't think that's the case. What makes you think so? In my experience exposure to more viewpoints, even flawed ones, increases understanding and helps critical thinking.
The world is not made up of Spock-like rationalists, and although most people are capable of rationality, many social settings are not conducive to it. Look at stampede disasters: every year people die because panic breaks out among a crowd in a constricted space and people start to operate on instinct instead of thought.