Do your homework and you'd realize there was no "prior to the big bang."
giving birth to the known universe via quantum mechanics is no more provable than appealing to a creator.
Except that quantum physics is falsifiable and has been tested.
Your faith is in science which is everchanging. years down the road you may find yourself in the same palce as those who espouse a geocentric universe.
Self-correction in light of new facts is a virtue of science, and the bane of religion.
In which scientific journal was the article about the entire universe popping into existence, and not an individual electron? Is that experiment repeatable?