''If the cryonics company can store the patient safely, and without interruptions (What if the company goes bankrupt? Or society is facing war, or a natural disaster happens?)''
Haha thats the worst case scenario that is very close to reality. Think of a war or something happens and the freezer with you inside ends up on a dumpster or you get eaten by worms haha :P Jokes aside they could lunch it in shorter amounts of time lets say 10 years in which let's say we can ''forsee'' the future more accurately than 30-40 years
Who knows, that might actually happen, some of these people are preparing to be frozen for 100 years or more!