The problem I see is this. A family has both parents working, because the family needs the double income to stay afloat. The parents are so wrapped up in their careers, that they don't find or can't find the time to spend with their kids. Teenagers have and always will experimented with alcohol. This starts with peer pressure at school. Kids drink, do drugs to fit in socially with everyone. Yes, it starts at home with the parents being nosy. As most parents will attest to, when we were youner, we didn't have the peer pressure that kids have today. We also didn't have the internet or cell phones, and have the constant need to have it glued to our ears 24/7. We spent quality time with our parents and families. Society has gotten so far out of the loop, it is almost unrepairable.
Yes, parents need to take matters into their own hands, and snooparound their kids' rooms, check out what is in their dressers, closets, on their internet websites, and the hard drives of computers. Also, parents need to stop spoiling kids these days by buying them sports cars when they turn 16, 17, or 18. That, in my opinion, is where the real problem lies. Little Johnny gets a new sports car when he turns 16,and then before you know it, he's off to party with his friends (because mommy and daddy don't want to know) and drinking, and gets behind the wheel to "show off his driving skills." Next thing you know, he's dead and so are 3 or 4 other teens because they were speeding and driving drunk.
If society would go back in time and let families discipline their kids the way kids should be, maybe we might deter underage drinking and instill a sense of responsibility into our youth. Your son or daughter (14 years old) comes in one night drunk, and you smack the crap out of them, bang, you get arrested for child abuse, and DCF says you can't hit your kids. So, you turn a blind eye to the drinking and the end result is more teen deaths from alcohol/driving.
Again, this is just my opinion as a parent, not just a retired police officer.