That's, uh, not how it works actually. Everything is cost benefit trade-offs. We can't guarantee total safety. NASA, for instance, estimates the risk of a civi

That's, uh, not how it works actually. Everything is cost benefit trade-offs. We can't guarantee total safety. NASA, for instance, estimates the risk of a civilian being killed by reentry , and has a formula that says how much money they can spend to eliminate how much risk.