http://io9.com/349956/one-pill-makes-you-autistic-++-and-one-pill-changes-you-back ok seriously...why? why do these scientists have this much free time? shouldn't they be like, curing cancer and AIDS? oh wait...if they did that, then the pharmaceutical lobbyists and companies won't make as much money. but that's for a different topic
Maybe genetic autism is different to the autism which is induced by the pills? I have an autistic nephew. He's a happy camper but it is really difficult to get him to do something he doesn't want to. I think the pill might work by allowing people to retain the sense of...for want of a better word..normalcy? so, they won't be completely "austistic" but they focus more? and then when they're ready they just pop the pill to turn them normal. I don't think the effects would be completely immediate though. It might take a while to get going. That's my 2cents.