If you find that "utterly chilling", now imagine what the Gestapo or KGB could've done if they had a tracking device in the pockets of 2/3rds of the worlds adult population, along with all financial records, their historic internet searches, porn consumption, most email and personal communications, private enterprise data, a million other data points including almost all of each individuals PII, and could aggregate that with every data leak in history.
Now imagine that they also commanded the most capital in the world, had the most powerful war machine in the world, their military industrial complex armed half the worlds militaries, most of the worlds governments and business systems depended on their tech companies; all of which enables them with all the tools necessary to legally and financially compel, coerce or blackmail a significant proportion of the worlds political class, private enterprises, and multinationals...