A laboratory-sized sterile zone was not difficult to manage, but a sterile zone for the survival of millions, even tens of millions of people was beyond the capabilities of the remaining population. In those apocalyptic times, even getting enough to eat was extremely difficult, so more and more bionic people underwent the transformation...
"...If it's in the bionic mode, there's a lot less demand for resources. No need to eat or wear anything, it's easy and simple... indeed very advantageous."
"So, just like that, all the survivors transformed into bionic hemisphere people and, fortunately, survived and established a new government. Their social system also underwent fundamental change, evolving into a centralized governmental system."
Zhang Yuan licked his dry lips, feeling that the Green Star Civilization that had created the super virus had done so intentionally, just to prevent another wise civilization from emerging on the planet!