Flock misread license plates in 71% of the alerts it sent to police in one California town
(www.businessinsider.com)
I don't think you understand their point. The point is that the OCR can be done on a distributed system, because a distributed system is what the cameras already are.
My biggest contention with this claim is whether the computers onboard the license plate readers are actually capable of doing this with solar power and battery capacity, but considering I'd rather they didn't exist anyway...