Holy crap! Do you walk around all day analyzing whether or not a crime can be committed by each and every one your actions? Is there no such thing as a random crime or are all victims of a crime in some way responsible?
Even if she hadn't gotten into the car she could have ended up the victim of this crime.
And you say this without knowing if she was roofied or anything else. Actually, you are saying a lot of things about her without knowing anything.
I think it's because your comment is based on hindsight. I look at the pictures of the accused don't see anything that would indicate that those boys were dangerous. Heck, we still don't know if they're dangerous.
I've accepted plenty of rides from people I didn't know or didn't know well. Heck, some of 'em were foriegners! Yet here I am, amost 39 and none the worse for wear.
There are horrible people everywhere. But to assume that everyone you meet intends to do you harm is a helluva miserable way to go through life.