Why do people go 100 MPH like Ryan Dunn and not expect to crash and kill themselves?

Kids are not going to learn from his accident like the news is implying that they might. They never do, I just saw some drag racing a few minutes ago. That guy probably came out of that bar feeling on top of the world with his new show and all, then got into his very expensive car that folds up like an accordion in a crash just like a cheap car would, and decided to fly down the road or highway. It's really a wonder that he didn't kill any other people on the road. They're trying to say that he didn't drink much at the bar, so was it drugs? Something enticed him to travel down the road at 100 MPH without a care in the world! Sure it's tragic and sad, but some things can be avoided. On another note, was he related to the guy in the *Hangover* movie? Jack or Zack Gali..... ( that long last name) something? He sure looked a lot like him with that beard and all.