I think this is a funny way to learn about golf etiquette.
Over the years, as a High School Coach I have met all these golfers. And now I'm the "Old Guy".
Biggest pet peeves on the golf course | A Quick Nine
Then scroll down to watch the video named "Stereotypes." If you ever played with teenagers this is spot on and it's not like the coaches don't talk about etiquette everyday. I really don't see too much of this kind of behavior very much down here, maybe a little with the Shadow Guy, The Foot Guy and the Looking for Lost Balls Guy. Too bad they didn't mention repairing ball marks and divots.