It’s not a question of denial. It’s two questions: is there really an epidemic of autism and if so what’s fueling it?
We get into that in the book in greater detail. But briefly as nearly as scientists can tell right now most the epidemic seems to stem from factors such as increased diagnostic awareness by peds, more available social services for autism patients and a push to give kids an autism diagnosis rather than one of mental retardation or learning disabilities.
This paper in the April 1st 2006 edition of Pediatrics examines the issue more closely. The author points out:
Bolding mine. It’s the sort of finding we think needs far more publicity. Instead we get coverage of Andrew Wakefield’s lies and Jenny McCarthy’s “google university” rants.