Agribusiness - with its wicked powerful lobby and its infiltration of top bureaucratic posts - essentially runs roughshod over the government agencies that are supposed to monitor it. It's the rich fox guarding the filthy, overcrowded henhouse.
There's no excuse in a technological age where we've got drones - you know, overhead, and we can monitor anything, all sorts of minutia - that we can't track living flesh-and-blood children.