I pointed out why it's entirely rational.I'm not arguing for the existence of God. I simply pointed out the absurdity of atheist worldview.
This commits the fallacy of composition that arises when one infers that something is true of the whole from the fact that it is true of some part of the whole.Everything that comes into existence comes Into assistants by something else, simple cause-and-effect.
One option you havent considered is that the universe is necessary.If the universe came into existence what is the cause?
It could not be nothing because from nothing comes nothing .Now if you don't know that's fine, but you can't speak for everybody else