Why does it matter so much to atheists that God doesn't exist?

THE BIBLE IS THE PROBLEM!

I am speaking to the US Bible thumpers here, of course ~ many of whom are flat-earthers who deny evolution and see scientists as evil people who are constantly trying, and succeeding, in disproving their beliefs one by one.

The people of the modern world have evolved past all of that nonsense.

How do the Sola Scrptura folks react to the Dead Sea Scrolls and other more recent discoveries of ancient Biblical texts not among those canonized by Martin Luther?

Because these are not any gods rules we are talking about.

Those rules that you are trying to reinstate are rules made by men who didn't know anything about the earth, nor anything about all of the other inhabitants of it. How can you not see that?

IT does not matter, mainly because it does not exist.

Over 3,000 Private Credit Deals From Just 20 Analysts Raise Questions on Wall Street - Bloomberg.com

A belief in a god is not the problem.

Notice that I said their rules, not any gods rules.

And how do you deny hundreds of years of advancement in all fields of science?

NASA sounds alarm over massive planetary anomaly spreading worldwide traced to unknown forces beneath Earth’s crust - Glass Almanac

My problem is that people who try to shove their rules down everyone's throats - including by physical force - DO EXIST .

I do not personally care if you believe in a god or not.

These are man made rules - made thousands of years ago for the use of the humans who lived thousands of years ago.

With retail cyberattacks on the rise, customers find orders blocked and shelves empty - AP News

And then use and ENJOY these fantastic scientific advancements every single day of your life?