While the post doesn't address it, ask yourself: What if you do have something to hide? What if your government was like China's or Russia's? If you let privacy vanish now, you'll be helpless when you need it. Data is power:

How pre-teens using metadata found a whistleblower in two hours - https://www.abc.net.au/triplej/programs/hack/how-team-of-pre...

Trust your instincts, you have them for a reason. If it was private investigators and spies following you around to gather what Google/credit cards/mobile networks know about you, you would immediately recognize it as malicious and dangerous. That it has now been automated doesn't change that.