man (humans) is not an animal. the society of man has always changed and evolved. it's actually in the nature of man to change and adapt. the question should therefore be: why should you imagine that men have not changed their character?

believing that you can not change your character is merely an excuse to demand tolerance for bad behavior.

I mean, humans are definitely animals.

I'm not sure the society of 'man' has evolved the same way you propose.

Looking back at thousands of years of history, Modern Man is frantically trying to find a niche to call his own.

With no armies needed, no game to harvest, no wild animals to protect from, and no household to build....unfortunatley the currently model might simply be antiquated.