Christians celebrate rape, torture, slavery and genocide.

[John V]

The charge is "Christians celebrate rape, torture, slavery and genocide", which is true regardless of the fact that God is not real.

From the OP: "If you are a Christian, a Jew, or a Muslim, or any other sect who pledges his or her soul to Yahweh, you are aiding and abetting a criminal."

There's the genocide of two continents worth of natives, thousands murdered in official Inquisitions (and how many thousands more in the various less organized hunts for 'heresy' since the beginning), centuries of blood-soaked Crusades, decades of blood-soaked sectarian warfare in Europe, centuries of African slavery, the subjugation of Africa in colonial times and the continued subjugation of Africa through Christian practices which promote diseases which kill millions, the physical brutalization of men, women, children, non-white races, homosexuals and intellectuals, the persistent Christian war against science which has stifled innovation and progress in its domain by hundreds of years, the Christian resistance to racial equality, gender equality, sexual equality, children murdered by faith-healer parents, churches spending millions making pretty buildings while children starve to death around them, the systemic Catholic rape of boys, the indoctrination of millions of children with blood-soaked fairy tales and the mental and emotional harm that comes with it...

Confirmation bias, among other problems.

A net evil? What do you guys even do which is good? Run soup kitchens and clothing drives? Babysit kids for free on Sundays?

I'm not claiming that Christianity is a net good. How could you possibly quantify that? But atheists, who tend to claim that they only believe based on evidence, usually believe that it's a net evil, despite not being able to quantify it.

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It doesn't, if the area of contention is whether or not it is compelling.

The area of contention includes both: compelling reasons for subjective opinions.