Since that argument cuts exactly as well both ways, why bring it up at all? We're talking about information content here more than metaphysics.

Not quite. Since we know the markup of the chemicals of the universe we also know that it has a beginning and an end date or simply put that energy was required to set it off. That would explain that it can't be timeless whereas we simply do not have any attributes or what the creator is made of hence can't come to a conclusion regarding his mortality

Causality is a concept found in this universe/reality. All meta-reality concepts like causality, time, place, identity, information, and such originating from within are underjustified for considerations outside it.