Neuro typical, i.e. classic brain wiring. And wiring is what I think the OP is getting at. How different people's brains process information. Thing is, there isn't some neat, tidy box called autistic or neuro typical. Nature abhors neat, tidy boxes and so do I. We're on a continuum. And like any other species, we're still experiencing evolutionary pressures. The OP may very well be correct, since there is a hereditary aspect to varying degrees of autism.
I have some Asperger tendencies, though that terminology isn't used clinically any more. Yet, in other ways, I lean neuro typical. Since elementary school I thought I was a bit different than my classmates. We just didn't think the same way. Perhaps that is why I'm good at math, science, engineering, pretty much anything to do with spatial reasoning and numbers.
I am by no means a people person but can be when I need to be. I function socially like anyone else, but find those things exhausting after a while. Generally, I'm not known for being very "nice" in the conventional sense, unless it's with people I know well. I'm blunt and direct, yet have a strong sense of affective empathy. I do have an innate sense of right, wrong, fairness (generally strong with those on the spectrum), and the good sense to know that much of where each of us are in life is due to probabilities and the birth lottery. That last sentence makes me a life long Democrat, but perhaps from a slightly different direction than others. Plus, Mom's "but for the grace of God, go you." 
Elmo may have autistic tendencies, but there's much more to it. He's also very narcissistic and perhaps a sociopath. Those are totally different conditions from autism.
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