yeah but at that point the planet's demise was inevitable. I'm not sure how much time elapsed between the banishment to the Phantom Zone and the actual implosion of Krypton, but it didn't seem like more than a day at most. Thought they would've known by then. If not, then I missed something, which is completely…

If the Kryptonian High Command (or whatever the hell they were) knew that their planet was about to die and kill everyone on it as well, why wouldn't they just make Zod and co. stay on the planet a few more hours to die with them? Why send them off-planet for "300 cycles" to live while decent citizens actually, you…