Sorry, very late responding here. I never said it matters to me! I just pointed out the headline is false, unless you split up 'Christian' into separate denomin

Sorry, very late responding here. I never said it matters to me! I just pointed out the headline is false, unless you split up 'Christian' into separate denominations. But to answer your question anyway, it's obvious why people are interested in this kind of statistic: because billions of people follow a variety of different religions, which disagree on everything from how the world was created to how one is supposed to spend their free time, and these disagreements continue to cause a lot of violence.