Sure it has merit to say that, generally speaking, Christianity espouses responsibility and atheism does not. Where are the tracts of Atheist values and dogma that carry a deep message of responsibility? Point me to _any_ symbolic representation of central atheist values - There is nothing. To be atheist is to be not associated with any belief system, and without any coherence among atheists, I can't say anything about atheists in general, but I certainly cannot say that they all think the world has a deep meaning that they're directly involved in.
So basically you're saying that as an atheist I have no idea what you're up to... Right, because you're not up to _anything_ that other atheists are up to. You're a heterogeneous mix of feelings and ideas that are mostly based in Western values but are held together loosely. I can look at a devout Christian and know that he's guided by his faith to taking up hard tasks and completing them diligently as part of his commitment to his faith.
So basically you're saying that as an atheist I have no idea what you're up to... Right, because you're not up to _anything_ that other atheists are up to. You're a heterogeneous mix of feelings and ideas that are mostly based in Western values but are held together loosely. I can look at a devout Christian and know that he's guided by his faith to taking up hard tasks and completing them diligently as part of his commitment to his faith.