http://en.wikipedia.org/wiki/Political_abuse_of_psychiatry_i...
http://findarticles.com/p/articles/mi_hb4345/is_9_32/ai_n291...
No word on treatment options.
As for implying that he is right in general because you have read an article that says that some people would like to be able, in the future, to look at classifying some racist behaviour among a very narrow class of people who already are displaying symptoms of schizophrenia, as being a part of their symptoms. Well, you seem as bonkers as he is.
From your referenced article:
"At present, the state of research is inadequate to suggest one course or another"
It could be that everyone is crazy. You and I together, comrades! If the 20th century doesn't prove the possibility of universal political insanity, what does it prove? Why is the English-speaking world somehow magically exempt from this general condition - appearing in all other places east of the Channel and west of the Pacific?
Folk in white coats with reassuring expressions maybe.