The Circle (2017) is by no means a perfect movie, based on a 2013 book which I’m told is only marginally better.

But it did do a surprisingly accurate job of depicting pretty much this exact scenario, 9 (13) years in advance.

As in: sleek FAANG holds a grand showcase of mass surveillance using its ubiquitous user-installed smart cameras, under the guise of a good cause.

https://youtube.com/watch?v=Mro9RCAhvE4

(The fictional story is slightly more blunt about it, the good cause being finding wanted persons, rather than lost dogs).