When one clever teen figures it out, they will share it with 80% of their friend group, making that number 80% and not 1%.
Let's go back to parenting: yes, world is a scary place if you get into it unprepared.
100% law enforcement is harmful: https://news.ycombinator.com/item?id=47352848
When one teen figures out how to get alcohol without ID, 80% of them will.