[asoneth]

> If you knew that a couple were going to have a baby with whatever problems, and you did not inform them of this because in your mind, their decision might then somehow upset some other group of people who are neither the mother, nor the father, nor even the close family, then I would find that morally unacceptable.

In addition to the question of morality and autonomy, I think it's also worth considering the practical second-order effects we are likely to see once this kind of libertarian eugenics inevitably becomes easier. Industries like engineering and math will change once parents can avoid having children on the spectrum. Not to mention theater and fashion when parents can choose to have only heterosexual children.

Reminds me of the message at the end of Gattaca.

The biggest real-world example of societal change is probably the sex-selective abortion someone else mentioned which results in an excess of males in several regions of the world. A gender imbalance where males outnumber females by a significant margin seems to result in societal instability so it's not surprising governments work so hard to crack down on it.