What It's Really About
"This Land Is Your Land" is, for lack of a better term, a song about communism. The opening lines are a bit of a giveaway, but only if you know the background: "This land is your land/This land is my land." OK, well, that doesn't have to be referring to the idea of public ownership of all property. Maybe "The invisible hand of the free market will dictate who is the rightful owner of this land" just didn't fit into the rhyme scheme.
But in fact, Guthrie was a fairly outspoken communist sympathizer. And the song wasn't written just as a folk song about America and its people. Guthrie specifically wrote it as a rebuttal to the song "God Bless America," a tune he considered overly patriotic and sappy. He didn't think it represented average, working-class Americans like himself and their feelings about the government.
"Kill the fascists, and the barbers too while you're at it."
Lyrics that didn't make the final version of the song that really hammer the point home were later found by Guthrie historians. As in hammer and sickle? Political jokes are hard. Anyway, here are the lyrics: