Originally Posted by tore

Yes, the foreskin has important biological functions as Erica pointed out, for example being highly sensitive and allowing for non-abrasive sex. What the last part means is that the extra skin on the penis acts as a sort of buffer rolling over the shaft which for example allows for non-abrasive masturbation without lubricants. Basically, cutting the penis would impair sexual function for example when masturbating which I'm sure is deeply rooted in why the culture developed in the first place. Religions typically have problems with sexual drive.