Very interesting and thoughtful blog post by Bruce Schneier. In the age of COVID-19 nobody cares anymore about privacy.
It is indeed a sad true that goverments worldwide are taking more and more intrusive measures to enforce containement like the ones done in South Korea. The key point to be understood here is that these measures should be enforced only for limited and "necessary and proportionate" cases instead of doing mass tracking of the whole population.
Dr. Tejeddine Mouelhi