> Now it all started two Thanksgivings ago

It's a hippie thing. Arlo Guthrie is Woody Guthrie's kid, Woody was a famous Union Folk Singer in the US. You may have heard his hit song "This Land is Your Land".

Is Die Hard only a Christmas movie on the West Coast where Nakatomi Plaza blew up?

https://www.nytimes.com/1969/08/25/archives/movie-of-arlo-guthries-alices-restaurant-opens.html

> it's about the America of the nineteen-sixties, which is like a dog being wagged by a tail pronounced "VEETnam," about the continuity between generations (as well as the gap), about the mindlessness of authoritarian systems

You want to know if I'm moral enough to join the army, burn women, kids, houses and villages after bein' a Litterbug

Newspaper clipping.

Obie plays himself in the movie, because making himself look like a fool was preferable to having somebody else make him look like a fool. He did spend 2 hours to find evidence of whose trash it was.