It isn’t so much the resources that are the point here (and even if they were, cryo is a lot cheaper than commonly believed), as the expectation that the game-of-life (or -of-afterlife) will continue to the indefinite future; the acknowledgement by the non-theist that any actions they take before their death will have consequences and resonances into the far-flung (possibly infinite) future; that they expect to face some sort of judgement for any wrongdoings they do, even if it’s applied by advanced forensics and an earthly judiciary rather than a divine one.
It isn’t so much the resources that are the point here (and even if they were, cryo is a lot cheaper than commonly believed), as the expectation that the game-of-life (or -of-afterlife) will continue to the indefinite future; the acknowledgement by the non-theist that any actions they take before their death will have consequences and resonances into the far-flung (possibly infinite) future; that they expect to face some sort of judgement for any wrongdoings they do, even if it’s applied by advanced forensics and an earthly judiciary rather than a divine one.