1) It clearly does not work (as opposed to "it has a low accuracy" which just means they will have to filter manually) and
2) They are pursuing a goal of policing with fewer police officers and
3) Having a working solution would mean they could police with fewer police officers (cameras can't detain suspects or intervene when problems arise, AND police officers don't carry a mental database of all suspects like a computer could have, so having cameras does not replace having police officers).
1) It clearly does not work (as opposed to "it has a low accuracy" which just means they will have to filter manually) and
2) They are pursuing a goal of policing with fewer police officers and
3) Having a working solution would mean they could police with fewer police officers (cameras can't detain suspects or intervene when problems arise, AND police officers don't carry a mental database of all suspects like a computer could have, so having cameras does not replace having police officers).