That's obviously untrue, since risk and reward are at the foundation of every religion. Indeed, without some kind of risk and reward, religious behavior is pointless. The point is that the psyche doesn't operate as if it is eternal, so self-preservation is a motivator for everyone on an unconscious level regardless of belief. What is that passage saying if not "Leave that alone, this is much better for you?" It's appealing to emotion and desire just like any other sales pitch.