God the Interpretation v God the Explanation?

In defending Hawking, Nidhal Guessoum writes, First and foremost, God is not a factor that one adds or removes (as unnecessary) in an equation or a model for the beginning of the Universe or any part of Science. All scientists, theists and atheists, subscribe to Methodological Naturalism, whereby all explanations for phenomena of nature and the universe must exclude supernatural agents. God, however, is an interpretation – not an explanation – given by believers for the existence of the universe, life, intelligence, consciousness, humans, and everything that we witness. When we became able to fully explain celestial motions, lightning,