For what it's worth, at least I'm not the only one who thinks Jeff Lowder's arguments don't work against my particular case. Here's Carrier from page 290 of my anthology, The End of Christianity:
We cannot predict from “a very powerful self-existent being created life by design” that he would do this by creating trillions of galaxies and billions of light years of empty intergalactic space and then sit around and twiddle his thumbs for ten billion years before finally deciding to create life in just one tiny place. That’s not even expected at all, much less with 100 percent certainty.16
16. See extensive analysis of this point in: Nicholas Everitt, The Non-Existence of God (New York: Routledge, 2003), 213–26; and John Loftus, Why I Became an Atheist: Personal Reflections and Additional Arguments (Trafford Publishing, 2008), 95–110.