I think the answer is that if you don't, then there won't be people after "over thousands of years", or even after a few generations, anyway.
I mean because this is after the apocalypse we're talking about, yes? Either people figure out how to restart civilisation in a sustainable manner or they die out after a short while.
I mean because this is after the apocalypse we're talking about, yes? Either people figure out how to restart civilisation in a sustainable manner or they die out after a short while.