Many medical decisions affect a person their entire life. Removing a pinkie isn't the same as circumcision. Your arguments related to sex may or may not be true, but I'd need more than your good word to believe circumcision hinders sex somehow. For as long as loss of function isn't proven, the wisdom inherent in tradition will imperate, and so it's not a moral crime.

Many medical decisions affect a person their entire life. Removing a pinkie isn't the same as circumcision. Your arguments related to sex may or may not be true.