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

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

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

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

Scientists stunned to observe that humpback whales might be trying to talk to us - ZME Science

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

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.

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?

What to know about nerve pain and tingling hands and feet - The Washington Post

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?

THE BIBLE IS THE PROBLEM!

Long-term study ties midlife vascular health to later dementia risk - Medical Xpress

A belief in a god is not the problem.

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

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

The U.S. Economy Is Headed Toward an Uncomfortable Summer - MSN

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