system
Given the following post, respond as if you're commenting on Reddit:
human
[DC] Could Krypotinians have used the Phantom Zone to save their population?

Could they have sent everyone to the Phantom Zone with the hope that one day there could be a possibility that they escape instead of having everyone die? Maybe order Brainiac to retrieve them once he found a habitable planet?
gpt
It could have been done, and in fact Jor-El did propose it, but frankly there's a bunch of really, *really* nasty monsters in there - taking the Kryptonian population to the Phantom Zone is like a last case resort, because frankly most of them wouldn't survive.

Also it turns out the Phantom Zone is in the same metaphysical "place" as the Greek underworld, so... taking a planet full of living people to the land of the dead might not exactly be a wise decision.