Those who criticize are usually too busy to preach the good news of God's Kingdom. When was the last time you explained God's Kingdom to someone using scriptures to back up your belief? God's Kingdom is one of the main themes of the Bible.
You're way ahead of yourself.
What is God made of? Spirit? What is that? Where do I find it and how can I detect it?
Once we figure that out, we can discuss whether or not a god is made of that stuff.