This is all faith based. Belief in God the Creator, the bible, etc requires faith.
In that same vein the genesis of theories espoused by scientists are also based on faith.
Inquirying minds need to know and because of that this vacuum needs to be filled and the content depends on your belief system.
I would agree that if God did not exist it would be essential to create him because the human race needs guidance.
I feel strongly both ways
