Why does it matter so much to atheists that God doesn't exis...

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.

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.

Astronomers discover a mysterious object in space emitting an X-ray signal every 44 minutes - Notebookcheck

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?

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

THE BIBLE IS THE PROBLEM!

Does the Lil Wayne song ‘Lollipop’ refers to a Lollipop sweet or a metaphor?

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

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?

Do you think a lot of sociopaths' parents kill themselves for having brought such disgusting evil into the world? How much shame and disgust must they carry?

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

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

A belief in a god is not the problem.

Do Europeans typically set heating to higher temperatures in the winter compared to Canadians and Americans if the temperature at a given moment is similar?

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