[Sopater]

That is where altruism and compassion come in: a grandmother can help her genes to be passed for additional generations on by helping care for her grandchildren, while a grandfather in a primitive society was a valuable store of information aiding the entire tribe.

Oh, that's why it's OK to "choose" to kill our "undesirable" children, and/or other people's children. Got it.

Basically, all you've done is attempt to explain how some of these people can sleep at night.

[curiosity]

Oh, that's why it's OK to "choose" to kill our "undesirable" children, and/or other people's children.

Obviously, the theory of evolution is not a basis for morality. Very few people claim that it is.

It's nothing more than a theory about how life changes over time. To try to read anything else into it is to go beyond the limits of science.