Someone ought to do it, but why should I? Someone ought to do it, so why not I? Between these two sentences lie whole centuries of moral evolution.
If my interlocutor desires to convince me that Jupiter has inhabitants, and that his description of them is accurate, it is for him to bring forward evidence in support of his contention. The burden of proof evidently lies on him; it is not for me to prove that no such beings exist before my non-belief is justified, but for him to prove that they do exist before my belief can be fairly claimed. Similarly, it is for the affirmer of God's existence to bring evidence in support of his affirmation; the burden of proof lies on him.
One of the great advantages of cremation - apart from all sanitary conditions - lies in the swift restoration to Mother Nature of the material elements composing the physical and astral corpses, brought about by the burning.