We, the a/Autistic community, need to stop equating "intelligence" with worth. Intellectually/cognitively disabled a/Autistics exist. Intellectually/cognitively disabled people are just as worthy of respect as anyone else. All disabled people deserve the same dignity that non-disabled people do.

Further reading:
"The Mismeasure of Man" by Stephen Gould (I read the revised version)

http://disabledfeminists.com/2009/10/...
http://www.autistichoya.com/2012/07/o...
https://eateroftrees.wordpress.com/20...

http://www.apa.org/monitor/2009/01/as...
http://www.jstor.org/stable/3789553?
http://www.publiceye.org/magazine/v09...