Earlier quoted context omitted.
Be careful about that kind of wording. I and friends who're on the spectrum don't consider it a "mental disorder". It's simply a physiological difference, one that theoretically can be tested for.
Doesn't that reasoning apply to any disorder? Medically, a disorder is simply "a disruption of normal physical or mental functions." So, having any disorder makes one abnormal, unique, special, and possibly above average or below average, but certainly not average. "Disorder" and "special physiological difference" are synonyms.
I’m not sure where I stand wrt the position that autism is just a non-inferior neurovariant, but let’s not pretend we don’t understand the difference between asserting it’s a value-neutral variant and a disease.