This entire subject has led to one of the most needless debates in the history of Christendom. God created everything. Period. There is much science to suggest an old Earth and a Big Bang-type event. So what. If sciences leads to the Big Bang then God goes “POOF”? Nope.
God “painted the wall blue”. He used a roller. No, he used a brush. He used a roller and the people who think He used a brush are idiots. But the wall is blue. Isn’t that enough? No, because if you think He used a brush you can’t be a Believer. But God acted and the wall is blue. The brush people are deluded. Scripture says it has to be a brush and if you insist on being a roller person you are spiritually and morally challenged. But Scripture allows for a roller. No it doesn’t. Recent tests didn’t find what the math says should be there so the roller bites the dust…
It’s, quite simply, a ridiculous debate. Go out and feed somebody, clothe them, free them from slavery both literal and spiritual and bring them the Good News that God loves them. Stipulate that God created it all and then marvel at what the human God-given brain can discern about His creation no matter where it leads. It’s OK. God will do just fine. He isn’t dependent on a bunch of created beings stuck in the fishbowl of space/time and observing “through a glass darkly” to justify to each other that He is still on the Throne. He’s safe.