For example, I don't how the core of Neptune first formed, but it's likely that it had something to do with gravity, its accretion disk, and compression, and not leprechauns making it out of supernatural pixie dust.
OK, but there are ramifications in assuming naturalism and again, that is the point
In a universe of blind physical forces and genetic replication, some people are going to get hurt, other people are going to get lucky, and you wont find any rhyme or reason in it, nor any justice. The universe we observe has precisely the properties we should expect if there is, at bottom, no design, no purpose, no evil and no good, nothing but blind pitiless indifference.
Richard Dawkins River Out of Eden: A Darwinian View of Life