Why do some authors not name their narrator?

Question: Why do some authors not name their narrator!?
Best Answer - Chosen by Asker:

maybe they don't want the story to be about the narrator!.Www@QuestionHome@Com

Sometimes it's because the author doesn't want the reader to be distracted by questions of the narrator's "reliability," which is something that high school english teachers love to harp on, but which isn't really an important part of most literature!.Www@QuestionHome@Com

It adds mystery to the character!.Www@QuestionHome@Com