For many Christians, the subject of spiritual warfare (or any other evil in the heavens scenario) is way too far out there for them to think about. For others, it is a subject that they educate themselves to fill their daily obsession. I believe both..
Jesus, before he even performed his first miracle, was already engaged in spiritual warfare in Matthew 4. As Christians, we will be faced with the same battle if we intend to wholeheartedly follow all that God has planned