The author is reasoning along the premise that the universe is lifeless; he didn't declare it with absolute certainty (and in fact he specifically addressed the

The author is reasoning along the premise that the universe is lifeless; he didn't declare it with absolute certainty (and in fact he specifically addressed the possibility of aliens and how they'd interact with his point). Frankly I'm glad someone is publishing thoughts on bigger topics... we could use more of this and less myoptic focus on the latest my-tribe-other-tribe cultural dominance outrage circus.