I think it has nothing to do with God as a religion. The lines "purposeless survival; now there's nothing left to die for" make me think of someone who wasted all their entire life and now have no choice to make but commit a suicide to end their empty existence. The "shrinking universe" is the life of the "God" who is just the person in question. The whole first stanza could just be life itself. Life will show you "what you need" and if you waste so much time just staring at it then your chance at life will be over before you know it.
I think it has nothing to do with God as a religion. The lines "purposeless survival; now there's nothing left to die for" make me think of someone who wasted all their entire life and now have no choice to make but commit a suicide to end their empty existence. The "shrinking universe" is the life of the "God" who is just the person in question. The whole first stanza could just be life itself. Life will show you "what you need" and if you waste so much time just staring at it then your chance at life will be over before you know it.