Seriously? He thought it'd stop masturbation? Not only does that not make sense but I'd say it's one of the few things where it's legitimately sexist to men.
Not to mention fucking retarded.
Well in his defense (LOL), I think his recommendation was to not do it until the guys were teenagers. That'd probably sour you on the whole beating off thing for a while, especially during that period where getting a boner means popping a stitch.
I think the theory was it would result in too much friction for wanking to be worth it, because I guess back then they didn't have vaseline, bacon fat, butter, spit or any substance more viscous than water that wasn't located in a vagina or something.
Like I said, dude was clearly blind and insane.