Phillip is genuinely not even sure how to argue this point, since he knows, literally, factually, Rhys is wrong about that. But if he tells Rhys why, he will certainly not be believed. So he just sighs, reaching up to rub his temples.

"Different universes. I'm not going to making any claims about yours- maybe in your universe, there is one, singular god who's in charge of everything. What you know about your world, all of it, may not be true here. The rules do not hold."