Oddbean new post about login | logout I think it because you have made it clear with your own statements.
Logic is not prejudice... Life is a cost-benefit analysis (for everything). If you believe the costs are low, and the benefit is high, you'll do it. If the costs are high and overwhelm the benefits received, you won't. When God is involved the costs go up. Without God, the costs are what each person personally determines them to be. Simple...cost benefit