Ah yes, but what if that same population had access to modern medicine that can basically make them infertile on demand, because babies are such a drag and, sti

Ah yes, but what if that same population had access to modern medicine that can basically make them infertile on demand, because babies are such a drag and, still a bit controversial today, gender feels like something that should be easily changed. Suddenly cure for cancer doesn't seem to matter much on a grand timescales. We have a bit of runway to figure out artificial wombs with 8 billion of us alive today.