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

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

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

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?

Air India plane crash death toll rises to 270 - BBC

THE BIBLE IS THE PROBLEM!

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

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

Can you give an example of a documentary where the person telling the story believed it to be true, but it turned out to be false?

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

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.

What kind of person makes you think "how come there are people like that"?

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

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

A belief in a god is not the problem.

What are the most significant instances of romantic jealousy in the Harry Potter series?

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