Its funny, sound effects are lol, and it requires balls...
...but if I was in a car behind and he start throwing crap under my wheels, I would have thumped him one if I got hold of him. After all, he would have already been pissing me off weaving in and out of the lane in front of me and from a drivers view all you would see is him throwing "something" under your wheels.
I also dont understand why hes done this again. He did it years ago, it was funny, but now hes done the exact same thing again. The only difference this time is the video is slightly higher quality and he gets caught shop-lifting. The phrase "Flogging a dead horse" comes to mind.