As tragic as it was - and my sorrow goes out to all 5 families who lost children - it makes me so angry. I found myself in situations more than a few times, years ago where I was a passenger in cars driven dangerously (twice ending in non-injury accidents, once a minor-injury accident, of the motorcycle that plowed into the back of us when the moron driving the car brake-checked him), it terrifies me just thinkng about it, and I can remember virutually every second. I was so furious with the drivers each time that I pretty much cut off the friendships on the spot. I'm thankful that I survived.
I have in the past and occassionally still do, try to find the limits of cars I am driving, but it is ALWAYS while I am alone and am certain about the road I'm driving.
The worst part is that the innocents might have added to the problem - adding 4 adult men to a high performance car can change it's behaviour drastically.