I agree, it is irrelevant what happened previously. The bikers actions in that video directly led to what happened. It also appears (from where the video ended) the biker just kept on - did he even consider checking on the passengers of the truck? If the biker would have just let it go, they...
If you're not breaking the law, why care? I personally like that our law enforcement is proactive in seeking criminals. There are 300,000,000+ people in the United States. Nobody scanning plates, listening to your phone conversations, and so on gives a **** about about you if your not doing...