A friend sent me a link to an interview with Jim Butcher. In the course of watching the interview a couple of quotes which I'm paraphrasing jumped out at me. The first is that there is no underlying political or moral message to the books or at least if it's there it's not intentional. The second is that the books are intended to entertain:
"The books are intended to be popcorn...Really really good popcorn... but they're supposed to be entertainment books..."