idlewords said a long time ago that "If the data is gathered at all, the government can get to it; whether it is on private or public servers is an irrelevant implementation detail. The only way to keep data out of government hands is to not collect it". Nobody wanted to listen to this because taking it seriously would mean tearing down large portions of the ad infrastructure that keeps the tech industry humming. But he was still right even if nobody wants to admit it.