Thief
Rogue Theologian
and did you read the length of this thread?Really, the necessity for God to exist as an Intelligent Designer depends on whether or not satisfactory alternative explanations suffice to explain existence. And while we cannot definitively describe which of our natural ideas is the definitive explanation, at least we know nature exists and can use our knowledge and mathematics to demonstrate aspects of those ideas.
Furthermore, we have no satisfactory definition for what God even is, or even what the supernatural is, other than some very vague notions that don't really describe anything meaningful.
Ultimately, to establish the necessity for God as creator, we would first need to define what God is, and to then demonstrate this God's existence with actual evidence. Barring that, it is not even worthwhile to waste one's time considering God's necessity as creator imho.
Spirit first?
or substance?