Earlier quoted context omitted.
It’s symptoms all the way down. If the system decides it needs more births it will ban abortion, and that’s not a moral failure on the system’s part, it’s an indictment of the symptoms itself.
The system has no morals, but every person operating within it does. If the system demands what it needs from us without regard for morality, it's on us, as moral agents, to refuse compliance. The system can demand what it wants, but no one is obliged to give it anything. If the point is that the system will coerce what it needs from us, then it deserves not merely to perish, but to be destroyed, actively, deliberate…
Most people just have whatever morals the system gives them.