I don’t get the privacy implications. Making a few assumptions here. Government can already get your location data and internet data from telco’s and Microsoft,

I don’t get the privacy implications. Making a few assumptions here. Government can already get your location data and internet data from telco’s and Microsoft, your identity from bank purchases and social circle from fb/inferences from data. What’s left that a phone could provide, encrypted chat? Coronavirus app is the least to worry about.