Why would a person who is old and sick with diseases of old age want to be cryopreserved?
Aging and the diseases of old age are all diseases which future science should be able to cure. Aging is damage. Future medicine should be able to stop, reverse and rejuvenate all aging processes. Future medicine should be able to keep everyone perpetually young and healthy. Only severe accident, suicide or murder will be causes of death. Cryonics is first aid to preserve people until the capabilities of future medicine have arrived.
Aging and the diseases of old age are all diseases which future science should be able to cure. Aging is damage to organs, tissues, cells and macromolecules. Future medicine should be able to stop, reverse and rejuvenate all aging processes. Future medicine should be able to keep everyone perpetually young and healthy. Only severe accident, suicide or murder will be causes of death. Cryonics is first aid to preserve people until the capabilities of future medicine have arrived.