Because when the positive consequence and the negative one both come from one act, the positive can be used to justify the negative. When they're separate acts, the negative stands on its own.First of all, why? Why is it much more reprehensible to do the one and not the other?
That depends on what the carpet bombing accomplishes (and also what alternatives are available to you besides carpet bombing - I'm assuming this is a WWII-era scenario where you don't have access to things like laser-guided bombs that would let you take out your target without destroying the entire city).You asked me if I think intent matters. Well if I had the intent to target and kill babies because those babies would then go straight to heaven, isn't that much more good than accidentally killing a baby (or several thousand babies) by carpet bombing a city?
And yes, I think that the logical conclusion of some versions of Abrahamic faith is that mass slaughter of infants would be a good thing... I'm just glad that people don't generally take their faith to this logical conclusion.