Why give up trying to make someone think? Being a moron or idiot doesn't call for indictment--as is evidenced by most posts on this thread. If you leave your car unlocked, and someone steals it, you did a stupid thing. But the thief is the one who is the criminal, not you.
Its not fair, but Ann is dead right. Bad things are much more likely to occur with bad behavior than if you are just minding your own business.
These Duke students are not only immature and dumb, but naive and reckless.