Beer-guy Jokes

A friend of mine (Dave) told me this story over the summer,
and swore up and down that it's true (he says he witnessed it).
It sounds a little far-fetched, but is amusing nonetheless.
Here's the story:
Dave was standing in the parking lot of a 7-11 store when this
guy walked out of the store with a six pack (of beer he assumed)
in a brown paper sack. The guy walked between two cars and when
he did, the bag lightly touched one of the cars. As it turned
out, a guy and his girlfriend were sitting in the car, and the
boyfriend (trying to impress his girlfriend) got out of the car
and started bitching at this beer-guy for scratching his car. So
the beer-guy apologized but the boyfriend kept on ranting.
After a while, the beer-guy said, "If it'll make you feel any
better, go over and kick a few dents in my truck" and pointed to a
beat up pickup truck across the parking lot.
So the boyfriend
went over and started more...