That's a win/win for you. If society fails and you need to eat roasted rats or humans to survive, you have a meal ready for you. If society succeeds and create

That's a win/win for you. If society fails and you need to eat roasted rats or humans to survive, you have a meal ready for you. If society succeeds and creates a good society, you're down just one cheap home fabrication device but living in a society where you don't have to eat rats.