This is so ignorant and idiotic I don't know where to start.
My wife's parents were married by arrangement (she grew up outside the states) and were formally married at ages 12 and 14 (dad and mom, respectively). Kids followed soon thereafter. This was par for the course in society. Their marriage lasted until my mother-in-law died recently in her late seventies--in spite of enormous upheavals in their lives. And no, they weren't religious. Note that--up until the mid-nineteen hundreds, this was THE NORM for billions of people.
So what the hell do people expect nowadays? Biology is what it is, and at least most societies recognized and accommodated that fact for centuries. Now, I am all in favor of delaying marriage for a host of reasons in modern societies like ours--but duh, what the heck do you expect young kids to do? I don't care how much society does or does not preach, or what parent's expectations are--and I'm the father of a 5 year old girl. I know that when the time comes it will be a struggle for her, no matter what my wife and I do to educate her.
Blaming it on 'the media' is retarded. Hormones will find a way in spite of whatever anyone does. That doesn't mean I don't intend to protect and educate my daughter to the utmost, but it's moronic to wring our hands like this pretending we don't know who to blame.
Ugh. Sure, I wish some fairy-tale past of sweet innocence were possible, but puh-lease. Get real.
"the most comprehensive of its kind." sounds pretty 'real' to me.