Man-made computers are limited in their performance by finite processing speed and memory. So too the cosmic computer is limited in power by its age and the finite speed of light.
Should we find a second form of life right here on our doorstep we could be confident that life is a truly cosmic phenomenon. If so there may well be sentient beings somewhere in the galaxy wondering as do we if they are not alone in the universe.
Science cannot tell theology how to construct a doctrine of creation but you can't construct a doctrine of creation without taking account of the age of the universe and the evolutionary character of cosmic history.