The original question in this thread is assuming an implicit, fundamental premise: that goodness or badness is measured by the quality of one's experience (happiness or suffering, respectively), and transitively, on the likelihood of such experiences in the future. If one were to assume this premise, which we can call "utilitarianism" (and may be of the collectivist or egoist variety), then there are three fundamentally different ways to approach the question, depending on what kind of expe