A non-trivial part of the reason is that Asperger's is named for the Nazi doctor whose research was focused on drawing a line between "functional" autistics, an

A non-trivial part of the reason is that Asperger's is named for the Nazi doctor whose research was focused on drawing a line between "functional" autistics, and autistics who should be put to death. > My severely autistic cousin killed their family dog with a knife when he was a teenager because it jumped on him and got him dirty. This would seem to indicate a comorbidity; lethal violence is not a typical trait for autistic people, regardless of situation.