As we’ve understood nafs in our tradition, nafs is your individual identity. The sense that you have that you exist as a discrete, separate being. But the root condition of our individual existence – for all human beings is exactly the same.
If you truly believed that there is a designing genius, then nothing that can happen to you is outside of the plan. And that you’re always in safe hands. So it is useful to understand just how dangerous how the atheists are. But its also useful to understand, how helpful they are. They objectify for you your own kufr, your own faithlessness.