600% rise in Oppositional Defiant Disorder?!?!

".. schools in New South Wales are pressuring parents to get their children diagnosed with behavioural disorders to secure additional disability services funding." A student with ODD attracts more school funding than a kid with ADD, and a student with a diagnosis of Asperger syndrome is apparently a little goldmine. Could this be explanation for the so-called autism epidemic?

Link to the story on ABC Radio:
http://www.abc.net.au/rn/lifematters/stories/2009/2646290.htm