If you're pro-life, how far do you take that?

[Angrboda]

I gave two examples of murder that could be said to not harm societies. I don't see how harming an individual is inherently harmful to society. One could argue that robust and powerful societies (like ancient Rome) housed institutions (such as slavery) which were very harmful to individuals within the society. And yet those societies thrived and prospered.

I think you're mixing up civilization and society.   Society is the aggregate of individuals, and harming one of them does harm the aggregate, even if it doesn't harm the aggregate equally.  Some civilizations thrive and prosper in spite of institutions which harm their society, sure.  IDK if slavery is the best example, since we understand that slavery has an immense cost to society and civilization.  

I think you're being pointlessly literal here. Obviously by harming society we mean that there are effects which damage the order and well-being of society as a whole in addition to the harm to the individual.

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So is there anyone else disturbed by this?

FDA Transplating Aborted Fetus Parts into Mice

Nope, not particularly bothered by it, other than that it's probably not good PR. Do you object to having a murderer have his body donated to science after his execution?