Legislation guardrails around surveillance technology are a necessary component to defend against future corporate surveillance apparatus establishment and operation, as this surveillance could take many forms (video, audio, geolocation, RF signatures, etc). Flock and Axon today, whatever unsavory folks come along in the future.
“Capitalism is the extraordinary belief that the nastiest of men for the nastiest of motives will somehow work together for the benefit of all.” —- John Maynard Keynes
Guardrails because we cannot trust the human.