I would like to see more evidence contact tracing works in absence of lockdowns and other social distancing measures. Early advocates pointed to South Korea as

I would like to see more evidence contact tracing works in absence of lockdowns and other social distancing measures. Early advocates pointed to South Korea as evidence. And now: https://www.theguardian.com/world/2021/jul/29/once-a-covid-success-story-south-korea-sweats-through-summer-of-delta-surge https://www.theguardian.com/world/2021/jul/29/once-a-covid-s... My sense is, at the very least it doesn’t scale.