As said I do not think there is or was some nefarious plot to divide us, it is natural human nature to label, maybe even more so for autistics with "pattern recognition" thinking.
It is how labels are used that divides us. Autistics have unfortunately done an effective job of dividing ourselves.
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Professionally Identified and joined WP August 26, 2013
DSM 5: Autism Spectrum Disorder, DSM IV: Aspergers Moderate Severity
“My autism is not a superpower. It also isn’t some kind of god-forsaken, endless fountain of suffering inflicted on my family. It’s just part of who I am as a person”. - Sara Luterman