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

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

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?

THE BIBLE IS THE PROBLEM!

Do Marines really not need sleep during combat training or in general? If this is true, how and why is this possible?

IT does not matter, mainly because it does not 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.

A belief in a god is not the problem.

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

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

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

Why are the Chinese so sensitive to Western criticism?

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

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

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

I see ugly guys dating gorgeous, "hot" women all the time. I, too, am not very attractive but I'm not doing well with the ladies. What's their secret?

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