"In 2027, mechanically-augmented people all over the world suffered from extreme psychotic delusions, lost control of themselves, and started attacking people. Millions died. Hundreds of thousands more were injured and maimed. In the wake of this global catastrophe, society has become divided by hatred, prejudice, and fear, with many countries now enacting harsh laws. The most notable of these laws is the highly controversial “Human Restoration Act”, aimed at isolating “Augs” and keeping them away from “Naturals”."

https://www.youtube.com/watch?v=4-MU5MgRV6U