Design can never be an ultimate explanation for anything. It can only be a proximate explanation. A plane or a car is explained by a designer but that's because the designer himself the engineer is explained by natural selection.
I suppose if you look back to your early childhood you accept everything...
I wanted to end my life so bad and was in my car ready to go down that ramp...
There are men who can write poetry and there are men who can read balance sheets. The men who can read balance sheets cannot write.