It might be informative to learn just why Mr. Prius felt compelled to videotape bikers in the first place, as far as his being beaten after the collision.
He was profiling bikers ... hate crime. Bailiff, whack his pee pee!
Motorcycles, especially Harleys, are not politically correct. They are loud, flashy, and often ridden for pure pleasure.
Prius drivers are helping to save the planet, so they feel compelled to strike out against anyone who doesn’t meet their standard of environmental awareness and responsibility.
The only two-wheeled vehicles that Prius drivers respect are pedal powered.