I have a theory on that very thought!
The truly smart are so impressed with their intelligence that they believe they have all the answers, but are blinded by their lack of common sense.
I hope I made some sort of sense.
You absolutely did. And I agree that is definitely a part of people feeling the need to blurt out these insane positions; they believe they are intelligent..
You did to me. And I believe you are right. I can say I know a few, also.