I think Salinger was saying something of the same thing when he had Zooey tell Franny to be an actress for the Fat Lady. That is, for all the suffering bastards in the world, meaning all of us, who are Jesus.
Christopher Derrick hints at this in Reader's Report (The Writing of Novels) when he talks about why it isn't necessarily the moral choice to apply bandages instead of singing.
And, of course, Sam says it to Frodo when he talks about the great stories, the ones that really matter, because no matter how dark things get, the people in those stories keep on going, keep fighting for whatever good is left in the world.