It's easy to construct rational arguments for killing millions in cold blood. Today you could easily construct a rational utilitarian argument for killing billi

It's easy to construct rational arguments for killing millions in cold blood. Today you could easily construct a rational utilitarian argument for killing billions now to prevent even greater death and suffering later due to climate change. In fact, it's blanket rejection of the cold-blooded killing of millions that requires (at least for most naturalists/atheists) decidedly non-rational thinking --- i.e., adhering to relevant moral principles while disbelieving in moral realism.