It's definitely not an unpopular opinion, especially on HN. Pre-corona I was probably a crazier privacy nut than most so I completely understand where you're coming from.

But right now our privacy is not worth more than our parents' and grandparents' lives. You ought to re-run your moral calculations with the current state of the world in mind. There are literally millions of lives at stake.

Also I am hoping for tech solutions that do preserve privacy to some degree. Singapore seems to have a decent solution where the user has to opt-in: https://www.businessinsider.com/singapore-coronavirus-app-tr...