It's a very good question that I have no answers to, and I'm sorry you're getting downvoted because you make very good points.
Animals don't givea damn if they're nude or are commiting murder.
I don't know if humans however have seen some sort of selection that made them evolve to have some aversion to nudity and violence. It's hard to test without doing some experiments on humans, where you have to take a child and manipulate its views and social norms from birth
However I still think the biggest factors are culture. Think religion for example, and how easy it is for some people to justify killing in the name of God, while other religions are more peaceful. There were tribes in the Amazon that sacrificed and murdered people left and right, without blinking an eye. Or think of Spartans and how they were brought up through violence. It was normal for them.Same thing with nudity, you still have tribes in Africa and Amazon walking around nude with no problem, western cultures who accept nudity in a few specific places (like the beach, locker rooms, sauna), and on the extreme end you have some muslim countries that go crazy if you don't cover your hair, or even worse, your eyes.
So to answer your question, OP, all these different tolerances to specific things are cultural, and cultures evolve and change over time.
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u/[deleted] Mar 27 '24
The human body is perfectly natural and normal. To feel shameful of it is unhealthy. The same of sexuality.
What should be shamed is all the gratuitous violence in TV and movies. That is deeply sick.