I'm not sure your theories have a base. Population may not like whats happening, but the peoples will only rise to protest when they feel directly threatened.
People will feel directly threatened if these systems produce too many false positives which result in too many false arrests or "police harassment".
Government and vendors will get away with it by slowly and sporadically deploying these systems until "we" get used to being monitored by these "AI" type systems.
Mildly "sexy" news like this is perfect for letting the people gently feel aware that they are being monitored in this way without being too threatening.
The last thing authorities or vendors want is news that 250 <insert-triggering-ethic-minority> were falsely apprehended because of AI identification with a few citizens getting chased and "accidentally" shot in the process => That would be inescapable-incompetence compounding incompetence after all, reason to take to the streets.