Everybody isn't going to live forever even given new genetic techniques and improved longevity. When you reach a terminal state beyond medical science, the only options are artificial death, cryogenic preservation, or actual death. The big error that mainstream science (including Kurzweil) makes about consciousness is that is an "emergent property" whereas MVT shows (mammalian) sentience requires a change of brain state thus is not emergent, and has nothing to do with complexity. There is a verification problem, agreed. Legal status can't be given to mind-transferred individuals, they won't be full or exact - just a ghost in a machine.
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Median Vision Theory (MVT) sentient computers, MVT Evolutionary Psychology and updates on artifical death.