Scientists make no claim about God.
Not true. A theory that precludes the possibility of God is saying something very specific about God.
A theory of conscious creation is an alternative to a theory of nonconscious (random?) creation. From a purely scientific standpoint conscious/designed creation is more scientifically palatable. Can a computer exist without a creator?
Is it reasonable to conceive of DNA existing by pure chance? Surely there is some function in nature that increases complexity by design.