1. It's easy talking for me not being a parent; that's clear. I always figured that part of what makes a good parent is being prepared to accept your kids for who they are, not pushing your own expectations upon them and being able to support them through any issues or problems that will come along, because stuff will happen. You can't choose your children, you can't choose who they become, nor should you. You can only guide them along as best as possible. If you start out thinking 'I want my kid to be like this or that' or 'I don't want them to be like this or that', you're bound to run into a lot of disappointments, and those will rub of on your kids, and their self esteem and psychological well being. And say the parents have the sperm, ovum, or fetus screened for any possible problem, because they wouldn't want to deal with it, what are they going to do if their lovely perfect dream kid gets into some accident 3 years down the road and suffers severe brain damage, or loses both legs? Again, it might be some kind of delusional naive idealism on my part, but having these kinds of requirements in advance doesn't strike me with confidence on the parents' side.
2. Autism might be classified as a disorder, but what does that mean exactly? It just means that we deviate from the 'order', from the median. A lot of us will face certain difficulties through life, some more than others, but how many of those difficulties stem from who we are, intrinsically, and how many stem from living in a world that's not very welcoming to who we are? Let's put it differently: what if they were to say that gay men weren't allowed to donate? Homosexuality was once part of the DSM, and to this day, people in the LGBT community still face a lot of troubles in society. Depression and suicide rates are higher for instance. Does that mean those genes are more prone to this? No, it's a direct result of their treatment in society.
Here's a quote from Neurotribes, from Dr. Lovaas (and Rekers), proponents of helping autistics by extinguishing their autistic traits:
Paying lip service to the idea of tolerance at a time when gay liberationists had started marching in the streets, Lovaas and Rekers proposed that "society probably could afford to become more tolerant with individuals with sex-role deviations" but insisted that "the facts remain that it is not tolerant. Realistically speaking, it is potentially more difficult to modify society's behaviors than Kraig's (and autistic boy who showed an interest in cross dressing)."
Let's take it a step further: what if they were to say that select ethnicities weren't allowed to donate, perhaps with the reason that they'd have to face racism later on? Great way to solve that issue, isn't it? *sarcasm*
To me it's still eugenics, and eugenics I don't like. Keep the gene-pool murky and brimming with all kinds of life. There's no telling in advance how someone will turn out.