Eat your heart out. It's also a completely legitimate law enforcement technique.

Having this surveillance done by human beings rate limits the process to, in theory, focus it on actual criminals. Requiring warrants for the more invasive and persistent techniques adds another layer of accountability.

	▲	otterley 2 days ago \| parent [-]
		You're bootstrapping your argument with an assumption that there's something to account for. Public activities are public. You're shifting the accountability from the actor to the observer.