In ancient Sparta parents used to toss their substandard children off a cliff called the Taigetos. Some may have done so with regret, but Spartan society had no use for physically infirm children.*
We find this shocking.
The year we conferred a medal on Dr. Morgentaler for aborting unwanted fetuses was the year we released Robert Latimer after making him spend nearly a decade in jail for having killed his disabled daughter.
Imagine Spartan tourists discovering that in this country we jail parents for killing incurably sick children, but give medals to doctors who kill perfectly healthy children by the thousands at their parents' behest.