A first grader should understand that her or his culture isn't a rational invention; that there are thousands of other cultures and they all work pretty well; that all cultures function on faith rather than truth; that there are lots of alternatives to our own society. . . Cultural relativity is defensible, attractive. It's a source of hope. It means we don't have to continue this way if we don't like it.
One of the functions of art is to offer a more desirable reality - a model, as it were, of another style of existence with its own pace and its own cultural reference.