Welcome to the forum @JamesRedford . Regarding the OP. Indeed, there are people who claim “if I had a mathematical proof of the existence of God, then I would believe in Him.” I am not one of them. I have a seed of faith in a great God. He can work with that. I am also skeptical of the sincerity of this claim. If we really think about it, we have to take many things on faith. To start with, mathematics is not the cut-and-dried structure that many people think it is. This became more apparent with the work of Kurt Gödel - Wikipedia and others in the late 19th and early 20th century on the foundations of mathematics. Having said this, I think mathematics has proven to be an extremely valuable tool with which to describe reality.
Here is a good blog posting by Professor Thomas Vidick (Thomas Vidick - home) at
Cal Tech university: What it is that we do | MyCQstate
As far as the Standard Model Theory of Everything, I am not qualified to comment on this, and I think few are. Here, it’s good to do some due diligence to determine possible philosophical implications of the Theory by experts who understand it deeply. A good rule of thumb is to be skeptical about extraordinary claims promoted by a relatively small group of people. To start with, it is a good idea to determine the educational background of those who claim to be experts. That is an honest question that deserves an honest answer.