It was a hollow threat in that the vans deployed could not and did not make detections. There is no evidence that even a single operational van made a single de

It was a hollow threat in that the vans deployed could not and did not make detections. There is no evidence that even a single operational van made a single detection. All known prosecutions and investigations were the result of human inspectors visiting residences without TV licenses. There’s no need for supposition or mental gymnastics about their secretive technological nature. As a PR effort, it was obviously very effective.