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

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

THE BIBLE IS THE PROBLEM!

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

When did you realize that your childhood was not normal?

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

A belief in a god is not the problem.

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

What measures are shipping companies taking to navigate around conflict zones like the Red Sea and Black Sea?

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

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

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

Why do Indian parents force their kids to do stuff?

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.

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

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?

If I only have a fire extinguisher to defend myself against some threat from people, should I spray them for max damage or just hit them with the fire extinguishers?

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