in most situations, what you did was fine. you can't control what flaming asshole you run across on the road though, so just do what you need to do to get away. all this video shows is that if some asshole in a truck wants to kill us, they can at ANY time, for ANY reason. i just let them tail gate until i can put some space between myself and them... if i'm in my car/SUV, i will play games with tailgaters because they would have to really work at it to kill/injure me and frankly.