In my opinion, our cultural familiarity to the process has blinded us to the fact that circumcision is, indeed, a form of mutilation. We’re just so used to it, we don’t think of it as such.
How many times have we seen or heard arguments about parents who pierce their babies ears? Some people will comment that “it’s cruel”, it causes them “unnecessary pain”, that’s it’s done “without the child’s consent”, that “it’s cosmetic”. Couldn’t each of those arguments be used for circumcision? Clearly, plenty of men are walking around out there with intact foreskins, perfectly happy and healthy. And poking a hole in an earlobe is orders of magnitude different than lopping off a part of such a sensitive organ.