Ahm, the bible is full of wars fought in the name of God, populations exterminated in the name of God, humans offered as sacrifices to God. No doubt they would have felt naked going into battle without one or other God on their side.
That is, I don't trust religion to prevent war. Putin has the Russian Orthodox Church covering his back because they're buddies, for instance. He understands the ways in which religion can be a tool for doing just about anything. And who can forget Pacelli's silence when as Pius XII he said absolutely nothing about the Nazi death camps. He was more fussed politically with the atheism of the Russian communists than with the murder of millions of Jewish people, disabled people, Romani people, other-races people and so on by the Christian Nazis.
And of course we've just come through two or three decades of sorting out the First World's religious institutions reflexively protecting themselves instead of their flocks from repeated sexual abuse of, in particular, children and adolescents. No doubt human traits useful for survival but capable of being deadly when manipulated by the wrong hands are part of that, but such insights come from
>science< , not religion.
Goodwill, decency, inclusion, are traits that humans find in themselves, whether they're believers or not. Gods are as unreliable when it comes to ways to find it as people are.