Where's the proof that installing an app saved any lives at all? And anyway, our rights are anyway being temporarily but heavily reduced. I don't see why we ha

Where's the proof that installing an app saved any lives at all? And anyway, our rights are anyway being temporarily but heavily reduced. I don't see why we have to also install this app, especially since having everyone wear a mask and washing one's hands would make the whole point of having contact with an infected person almost irrelevant.