Big Bang theorists think that they are dealing with the initial conditions of the universe, but in reality they are only dealing with the initial conditions for the first appearance of matter in the universe. That is quite a difference and I hope you either see it, or write more clearly when you describe it.

They have zero data on the beginning of energy.

The have zero data on the beginning of time.

They have zero data on the beginning of space.

Nada, nothing, zilch.

They are throwing it all in one bag and that is not right.

Science is limited to what is known. Next, we can theorize about the facts, trying to see the larger structures.

But theories are not facts, they are the larger ideas about facts.

In that realm, we find the Big Bang theory. In that realm we find the Big Whisper theory.

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What I see Big Bang theorists do is the same like folks investigating babies, and based on the babies then they are telling us how babies are made. I hope you see that they are not even close to expressing correctly how matter came into being.

"It is clear that matter and energy are different forms of the same thing."

"It is clear that money and three potatoes are different forms of the same thing."

"It is clear that a dog is an animal."

"It is clear that a movie was filmed in reality."

You are correctly seeing a house, but you don't walk around it to realize it is a prop on a movie set.

The data is the data. It cannot be denied.

The interpretation happens in our minds. Theorizing happens in our minds.

Good luck wrapping your head around the data and how the Big Bang theory is an interpretation of the data and not the same as the data.