My brother has mild aspergers. His main symptoms are he tells really bad jokes, doesn't notice when people are no longer interested in what he's saying, hums to himself, and doesn't like to be touched. As a result, he got picked on by his classmates and marginalized by his teachers, so he lost interest in school and performed poorly. I watched them try various drug cocktails on him throughout his teen years, mainly looking for something that would get him to focus on school and get his grades up. They all made him miserable and prevented him from learning how to really handle himself because he was never allowed to actually be himself.
The one my parents and the doctors liked the results from the most made him barely human. He had no appetite and zero personality at all. He did what he was told and then he slept. That was it. He was like a robot that could be turned on to perform tasks and would then shut itself off. He was on that for most of his senior year in high school, and then started refusing to take anything. Now he's a near total recluse who is failing out of college because of emotional baggage and having 6 or 7 years of catching up to do on actually discovering himself.
So I'm kind of biased.
Plus, I look at the stuff small children are medicated for today, and I think I probably would have been put on something if I'd been born just a few years later. Today I have more self-control than most people I know. Hiro's not even as bad as I was, and I had to fight through some serious family drama, when my wife and parents thought that he needed to be put on something. He was rescued at literally the last second by a very caring social worker bursting into the room and declaring that he did not need to be medicated, as the doctor was just finishing up the paperwork.