And yet, that's exactly how we survived the first 98% of human history. You deciding that it's not good doesn't change that.
Men compete individually now - but not for most of time. Honestly, I don't have time to keep saying the same things over and over again. I know it's breaking your brain to learn that your deeply held beliefs aren't timeless, but try anyhow.
As famous primatologist Frans de Waal notes, “Destabilization of the social resource network decreases group stability and efficiency and lowers the average fitness benefit derived from cooperation.
When group stability is important for individual advantage, selection will favor active peacemaking and cooperation in our closest relatives and ourselves.”