Earlier quoted context omitted.
What is so bad about catching people taking unauthorised breaks?
The same thing that would be bad about using your phone GPS location sensors to automatically send you speeding tickets every time you wander >1mph over the limit. Even without intending to, everyone would go from a ticket or two per decade to dozens of tickets on every commute. "But the law is still the same!?!" Of course it is, but changing from poorly scalable human-required surveillance to always-on, fully-scaled…
A reasonable manager would accept the occasional smoke break, but do something about hour long naps.