Who is going to voluntarily be interrogated by a contact tracer?

Five things we need to do to make contact tracing really work

https://www.google.com/amp/s/www.technologyreview.com/2020/04/28/1000714/five-things-to-make-contact-tracing-work-covid-pandemic-apple-google/amp/

I laughed at this one -

Task 2: Protect privacy

“This is why automated tracing has become appealing. The concept, which uses technology like Bluetooth and GPS to automatically determine whether a person may have been exposed, has been put in the spotlight as authorities around the world try to cope with the astonishing rate of covid infections.”