Yeah... We might term this "soft cryonics" where the damage-prevention process is a solved issue and revivification is thus relatively trivial. Common in sci-fi, and most people's idea of the future has room for it.

In current-day "hard" cryonics, the damage can't be prevented so much, but there's the additional postulate that, at some point, lots of damage can be repaired. Any method of doing so would most likely make curing aging look easy by comparison -- but it still isn't ruled out by any known theoretical consideration. The treatment of patients with a "bad prep" as being irreversibly dead in the book was disappointing to me. (But then given the context of the series as a whole it wasn't particularly out of place.)

Abg cerccvat Neny ng gur raq jnf n qvfnccbvagzrag tvira gung vg jnf Pbeqryyvn'f qrpvfvba (jub jnf irel ceb-yvsr ng gur ortvaavat bs gur frevrf), ohg vg qvq fhvg uvf punenpgre gb abg jnag gb or cerfreirq.

Vg jnf nyfb fgenatr gb frr Zvyrf pbafgnagyl ersreevat gb nyy gur cngvragf nf "gur sebmra qrnq" naq abobql pnyyvat uvz ba vg. Ur'f na rk-pelbcngvrag uvzfrys, sbe pelvat bhg ybhq. Ur rira frrzf gb guvax n jbzna jub jnf bevtvanyyl cerfreirq va cresrpg pbaqvgvba (ab pyvavpny qrngu jungfbrire) unf orra oebhtug onpx sebz gur qrnq.