Doesn't matter. If it is made of matter, then it has a cause. Do you agree? If not why not?
That is my assumption for all changes in matter (or energy levels). I also assume the cause must exist before the change and that can't apply to the Big Bang, as there is no "before" - Time and other things were created in / by the big bang.
What's funny here is that you don't mind stating "statistical fluctuation" as a possible cause, but you'll be damned if you posit God as a possible cause.
Yes, I accept one and not the other, because I know that "statistical fluctuation" occur. By the millions each second in the universe. Out of nothing, electron - positron pair are produced by statistical fluctuation in the vacuum.
One thing about "statistical fluctuations" is the do not violate any of the conservation laws. In that example, the total charge remains zero at all times and the duration of these pairs is limited by the uncertainty principle (the time & energy product one). I. e. briefly there is 2x5.11 Mev that did not exist before, but can only exist for as long a time, T, as the product (10.22Mev x T} is less than a value specified in the uncertainty principle.
This was a huge problem a decade or more ago, as the Big Bang, created an enormous amount of energy that has persisted for more than 14 billion years - a terrible and embarrassing violation of the limit on the allowed by the uncertainty ExT product.
However, we now have evident that the Big Bang, did much more than create just matter (and it rest mass energy). It made dark matter too which also has rest mass energy AND dark energy which is negative keeping the total energy still zero, as it always was.
The dark or “negative energy” seems to have "pushing gravity" and is responsible for the ACCELERATING separation between the galaxies. As their normal gravitational mutual attraction is decreasing (with inverse square of their separation) the negative energy gravity is growing ever stronger in comparison. Hence the acceleration of them away from each other.
I don't reply specifically to rest of your post, except to note many facts, especially on a quantum scale, make strong violation of "common sense."
I actually did an experiment (posted several times in detail) where a photon was at times about a meter from its self! Or each goes thru two separated slits.
SUMMARY: There is lots of evidence for violations of “common sense” and "statistical fluctuation" creating something out of nothing; but NO evidence for the existence of God. That is a belief many still hold, but their number is decreasing as ever more people want their beliefs to be supported by observable and testable facts.
PS Thanks for replying. Most of my posts, all the recent ones, have had none. I was assuming you had me on "ignore." I try to be civil and present logical arguments.