As in somatic (physical) diseases,there are degrees of damage inflicted on the patient (hepatitis A,B,C for example). There are people with some form of psychosis in high positions as well as those who can hardly be called humans (not becouse they are not worthy,but becouse they are totaly degraded- physicaly also).
I can see that you are English making many mistakes in writing,and it's possible that you are pulling somebodys leg
I have a close relative with this **** of a diagnosis,and so I know, plus I've seen many chemical freaks go down also!
As for 9/11-
muddy waters!