It does little good if you save it from just some of the things which would destroy it.
Unless you divide the task up — you take nuclear war, I’ll take climate change, you two get killer asteroids, you in the back get pandemics. Who wants to save the world from supernovas? Come on folks, this only works if somebody takes every job. Gerald? Good. Berserkers and hostile aliens? …
It does little good if you save it from just some of the things which would destroy it.
Unless you divide the task up — you take nuclear war, I’ll take climate change, you two get killer asteroids, you in the back get pandemics. Who wants to save the world from supernovas? Come on folks, this only works if somebody takes every job. Gerald? Good. Berserkers and hostile aliens? …