Are atheists open minded to the idea that there are things in the universe they don't understand?

It's not perfectly located, and gets hit with big rocks all the time. It is only luck we are here and at any time, a big enough rock could hit us and destroy all life. So I don't consider that perfectly located.

It is egocentric to think Earth is somehow unique. It's not. The same elements that make up the planet and all of us, exist everywhere in the universe.

That's a fact, not just some belief. Our planet happens to be in a stable orbit at the moment, and the right distance from our star for liquid water to exist. But there are trillions of such planets in the universe.

Are those not "perfectly" located too?

I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.