Of course, God could have worked it some other way, but David took his slingshot, too.
My point was he didn’t leave his religion back at home. People back then didn’t compartmentalize their lives like a lot of people do today. It’s really just a recent phenomena of modern man’s rationalization process.
The impression you get is that because the guy’s in war, he puts his religion on hold. Like it has no place in war. I disagree as religious people are needed to make the tough decisions and be able to justify them as necessary. To not only do the ugly things that need to be done, and not let it turn them hard and ugly, but to be on a Christian level, unhappy they have to do what needs to be done. Glad they can protect and possibly by their actions make things end in their favor more quickly, but at the same time wishing they didn’t have to.