I watch these with my kids, who recently started driving, as it is a good lesson in why you drive defensively and not be too arrogant about your own abilities and reaction times - because you have to take into account the abilities, reaction times, and occasionally the boneheaded idiocy of any other driver in your immediate vicinity.
“If it weren’t for physics and law enforcement, I’d be unstoppable.”
[1] https://www.youtube.com/user/DashCamOwnersAustral/videos