He didn't obey. Instead of teaching the people what God wanted and told him to do, he taught them what he wanted. Instead of giving God the glory, he took it for himself. He made himself great, as if he could do all the miracles by himself without God. I suppose because God didn't give us any, we have free will.
Religion is the cause of most wars and killings in the world.
If they are kosher, practicing Jews, they will not touch or eat anything a non kosher person plants, cooks, or touches. The more religious someone is the meaner and most ready they are to kill. In the U.S. you don't see it like you do around the world.