Earlier quoted context omitted.
> not morally or ethically defensible Sure, that won't stop progress by people who do not follow your flavor of morality or ethics, though.
What is your evidence that the post-WWII flavor of bioethics inhibits real progress? If that were true, why do we not see other systems leading?
Also note the differences in culture: the chinese parents consented to it. I m not sure how easy it would be to find this in the west.