It's a little mind-boggling, and unsettling. We instead like to invent grand narratives and Big Daddies. Randomness is a little scary.
And when you see the beauty of the world, the incredible complexity that can arise from simplicity, it does seem miraculous. But then think about billions and billions of years. That's a lot of time for random chance to do it's work. And natural selection is sort of an invisible hand.
Darwin, most of us can only take in a little bit of Darwin at a time. But the Darwinian world-view blows all other ideas, cosmologies, etc. out of the water.