Unless the Almighty directs us to, we've got a policy of non-intervention. Or if it's, you know, a world-ending emergency.

[Like the one he totally just got out of.]

If I knew the answer to that, I'd let you know. I was heading up to Heaven last I knew, and there shouldn't be anything around that can knock a seraph off-course. Well, except Lucifer, but he knows better.