Interesting that you chose the "burning building" analogy. In the fire sermon the Buddha argued that being incarnated in samsara was like being in a burning building and that the only sensible thing to do was to take steps to ensure the complete ending of the process of reincarnation in samsara ( and dying just doesn't cut it in this regard). The burning building analogy in this case is a terrible one- as we are talking about the difference between a healthy person seeking to avoid pain and disability versus the cryonics argument- which is all about preserving a past its use by date body- at considerable expense and loss of enjoyment of this existence- with no guarantee at all the there will ever be a payoff for the expenditure.