On to the last chapter, "Accountability".
When Boeing created the 737 Max it had some problems. It was designed to be more fuel-efficient, but ended up less aerodynamic. Rather than redesigning the plane, Boeing created some automated software, MCAS, which made the plane easier to fly.
Singer writes: "To cover for the plane’s poor maneuverability, the software would sometimes push down the plane’s nose without input from the pilot. If this software failed, Boeing expected the pilot to fix it"