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

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

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

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

What movies and TV shows portray realistic beauty standards?

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

A belief in a god is not the problem.

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

What are my 10 favorite rock record album opening tracks?

THE BIBLE IS THE PROBLEM!

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?

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

What is the most inappropriate thing your wife has done in front of you?

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

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

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 people keep complaining about how some people copy and paste the question before answering it? To me, it's very disturbing and makes me want to block and mute them as annoying whiners.

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