I assume you are serious, though if you are joking then "Ha ha!" The joke is on me for falling for it. :-)
"Evolution" does not address "the universe and life," nor "the cosmos." Evolution as we use the word here on Earth applies only to existing life on Earth, and not how life came to be on Earth. Nor is the universe the venue of evolutionary theory, nor any of the evolutionary sciences. Nor does evolution, nor evolutionary theory, have anything to say about the existance or non-existance of gods.
I wrote that lack of gods is the default for the same reason lack of leprechauns is the default; for the same reason the lack of banshees, barghests, dybbuks, gods, ghouls, goblins, kobolds, Paul Bunyans, trolls, "compassionate conservatives," etc., are the defaults. There are a nearly infinite number of supernatural beings that do not exist as the default--- limited here on Earth only by the human mind, and presumably limited only by the minds of other beings on other planets.
Until such magical beings show themselves, it seems..... odd to me that someone could accept their existance as a "default." I readily concede that gods may exist somewhere, but so far here on Earth, if they do exist, they have chosen to hide their existance from us completely.
"Nobody has the right to worship on this planet any other god than Jehovah. And therefore the state does not have the responsibility to defend anybody's pseudo-right to worship an idol." -- Rev. Joseph Morecraft, Chalcedon Presbyterian Church, "Biblical Role of Civil Government" speech given 8/31/93 at Biblical Worldview and Christian Education Conference