“Well. People believe,” he began, though he hardly knew how to state an animosity as widespread as the air they breathed. “Most people believe life can only be worth having if the deliberate business we call life belongs to us only. To mankind.”
That god created the world for our sole benefit and that humans have dominion over the natural world is convienent for some to justify exploiting natural resources, disregarding environmental consequences like climate change, and treating animals as commodities and ignores interconnectedness. It's also arrogant to disregard how the Universe actually is in favor of a belief of supremacy.