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

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

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 .

Do you think this Labour Party is qualified to run our country?

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?

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

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

My boyfriend wants to break up over too many petty arguments. To me, they are molehills because I truly love him & don't really think twice about them. If he loved me would he work through it?

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

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

A belief in a god is not the problem.

What is the opposite personality type of someone with ASPD (antisocial personality disorder)?

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

THE BIBLE IS THE PROBLEM!

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

Scientists Uncover Giant 33-Foot Dinosaur That Could Redefine Jurassic Evolution - Indian Defence Review

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.