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

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

THE BIBLE IS THE PROBLEM!

How effective will the Senate-passed bill, S. 4569, the Take It Down Act, which would criminalize the publication of non-consensual intimate imagery (NCII) be?

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

A belief in a god is not 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?

TSMC Sees Limited Tariff Impact on AI Strength - WSJ

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

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

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

How do I stop my 12-year-old daughter from crying herself to sleep? I have punished her and she still does it.

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

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

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

What kind of pleasure do gay men get from being bottom? The idea is very appealing to me but in practice it's quite painful.

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