James 4:4 is but one of the proscriptions in scripture about being friends with the world.
You adulterous people, don’t you know that friendship with the world is hatred toward God? Anyone who chooses to be a friend of the world becomes an enemy of God.
James said it better than any of us could. It’s amazing how Warren ignores those parts of scriputre that doesn’t fit his world view. He does so at his own peril...