Absolutely not. I've met some of the stupidest people in the world that ONLY chose to believe what they had experience and were totally closed-minded to anything. I've also met extremely intelligent people that make me sick with their knowledge of everything that succumb to stupid ideas.
No,not necessarily,they may be a bit naive though.
No. Some people are that strong minded, or have a hypnotic personality that a lot just follow them without thinking. Sometimes having a high IQ-level can even be the trigger to do so. As from that moment somebody else thinks for you.
No. Most anyone can be brainwashed. It's called the Stockholm Syndrome. Tell someone something long enough and they're mind will eventually believe that way. Only a STRONG person can overcome that.
I am convinced.
Of whatever you are saying I believe ya