Some Autobahns in Germany are darker than this Freeway/Highway...whatever, don't know the difference

.......I wonder why nobody who avoided a crash stopped and turned his emergency blinkers on. or what ever you call them.
so everyone kept on driving and the following traffic had no chance to avoid to run into that car.
And what's weird too , why the hell are some guys sitting next to the road with a camera, filming a car loosing control? Ghostride the whip or what?