This has already been described to you. I'm curious why you think that it is just an "opinion" that random murder doesn't destabilize a social network.
When Oskar Schindler risked his life for complete strangers, he wasn't thinking about how he wanted to "stabilize the social network". He was thinking about how his conscience was shocked at witnessing absolute evil.
Many animals who live in social networks will kill members of other troops and packs. Being a social animal does not mean you will refrain from killing, stealing, violence and brutality.
Yes, just like humans. JUST like humans. But often pack animals will NOT MURDER their packmembers. Dogs will viciously correct each other but not kill other pack members.
That's not morality, that's self-interest and reciprocity.
You are not morally praise worthy for cooperating with your kin group. That is hard wired into Darwinian evolution. Slapping the label "morality " on it is just a delusion. Nothing is easier than helping your family, your friends, your kin group. That's not praiseworthy.
You are morally praise worthy when you have exercised a universal moral duty to refrain from killing, lying, cheating, insulting, demeaning, disparaging anyone, even if they are strangers, rivals, people outside your kin group or tribe.
SURVIVAL is what we are talking about and SOCIAL NETWORKS provide a SURVIVAL ADVANTAGE for social animals. Did you miss that bit in biology?
That's not morality. That's Darwinian self interest and reciprocity.
You act as if humans are somehow different from Chimpanzees. Literally everything you mention here we do in spades.
Chimps are vicious and brutal to anyone outside their kin group.
I am satisfied that you have conceded there is no such thing as morality or moral duty, outside of preserving your life and the lives of your kin group and tribe.
Your belief that we should emulate chimpanzee society is revealing.
That is an extremely cynical worldview.
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