Being awarded a Ph.D. in psychiatry does not declare that you are a sane person or have been cleared as sane in any respect.
As the Ft. Hood tragedy illustrates, the United States education system is in horrible shape. People are being indoctrinated, not educated. And the educators, themselves, are extreme fanatics of some sort, that are teaching their own agenda to an ever increasing number of subjects that will swallow anything to get a passing grade.
There's going to have to be some very tragic circumstances to reverse this trend.