>Morals are more than made up rules because if we're just atoms, they have come about through evolution.
No one contests that if all is material we have developed rules that allow us to survive. The question is: Do our rules refer to Truth (Moral Realism) or are they invented (Moral Nonrealism). The hypothesis that they came about through evolution is not evidence that morals are Real. See the link at https://news.ycombinator.com/item?id=9060768 to maybe better understand what is meant by "arbitrary".
No one contests that if all is material we have developed rules that allow us to survive. The question is: Do our rules refer to Truth (Moral Realism) or are they invented (Moral Nonrealism). The hypothesis that they came about through evolution is not evidence that morals are Real. See the link at https://news.ycombinator.com/item?id=9060768 to maybe better understand what is meant by "arbitrary".