"Beyond all doubt, God exists -- in the minds of his (or her) followers. Whether God is more than a belief is itself a question of belief "
No its not. You are just playing semantic games. Of course a lot of people believe in God. That in no way implies that God actually exists (i.e. is more than a belief). A lot of people believe in Ghosts, the city of Atlantis, Sasquatch, etc. Whether those things existed is not a question of belief its a question of fact. They either do or they don't. God is no different. Its one more empirical fact that is or isn't true.
Read the Article at HuffingtonPost