Shit is a more onerous theological problem than is evil. Since God gave man freedom, we can, if need be, accept the idea that He is not responsible for man's crimes. The responsibility for shit, however, rests entirely with Him, the Creator of Man.
We don't know when our name came into being or how some distant ancestor acquired it. We don't understand our name at all, we don't know its history and yet we bear it with exalted fidelity, we merge with it, we like it, we are ridiculously proud of it as if we had thought it up ourselves in a moment of brilliant inspiration