While I realize you're just stating your opinion, I would caution you that you're showing some signs of mental illness yourself. I certainly hope that you aren't so delusional that you honestly think you are capable of judging the mental capacity of individuals; most of whom you have never met nor had any contact with whatsoever. Delusions of grandeur perhaps?
To make such a blanket statement demonstrates a curious lack of awareness of your own limitations. I'm inclined to think that you're just trying to start some shit.