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

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?

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

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

NASA’s CODEX Captures Unique Views of Sun’s Outer Atmosphere - NASA Science (.gov)

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

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

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.

Why do flat Earthers exist? Why can’t I see the Sun at night? Is it because Earth is not flat?

A belief in a god is not the problem.

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

THE BIBLE IS THE PROBLEM!

What are the major security challenges facing India, both domestically and internationally, and how does the government address them?

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

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

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

Why do British people always write "xxx" after their names?

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