Because our evolution is that we are part of the animal world. We are an animal. We are classified as an animal, and we're descended from apes and from everything else on that evolutionary trajectory that comes before the apes.
And so we're very biological, but with this shift in our behavior and our thought processes of what we sometimes refer to as behavioral modernity or the cognitive revolution — with that, we evolve new minds and new ways of thinking and new ways of interacting with each other. And in doing so, we set in motion a process which extracts ourselves from nature.
We create gods and we assemble human exceptionalism and we say that we’re specially created. And then Copernicus comes along and says, the Earth is not the center of the universe, and the sun is not the center of the universe comes not long after that.
And Darwin my intellectual hero comes along and says, well, actually we're just another animal. This isn't to be to be misanthropic. I think we're amazing. I mean, I'm a sort of humanist with a small “h.” But at the same time, we're so anthropocentric that we think of ourselves as special when we're not, and miss things that are special about us that we should be really focused on."