Or, in many cases, people have done the mental calculus between free, powerful, entertaining services and their privacy rights and have chosen the former.
People get the basics that there are breakdowns in the system of safeguards and a non-zero chance that they'll be the victim of a crime or injustice facilitated by ubiquitous observation. But relative to the benefits, the odds they'll be the one locked in the dungeon suffering are so low that they'll readily shoulder that risk for the observed, immediate, and obvious benefits.