Just go to about 1:30 in to watch two guys nearly destroy their boy-racer dreams when a sudden caution flag makes them hit the brakes.
This, kids, is why driving on the Nurburgring is incredibly, amazingly dangerous. It's not the lack of runoff space, or the amount of time it would take for an ambulance to get to you while you sit there dying a slow, agonizing death in the wreckage of your vehicle.
It's the blind corners when you're riding someone's bumper that'll get ya.
Edit: and the view from the black car: