Also, person-based systems break down when asked to scale suddenly, because it takes a while to hire and train more people. We already saw this with how quickly even contact tracing systems break down when infections go above a certain point. Depending on economic conditions, there also may not be people to hire; pre-COVID, there were public transport funds in Seattle being unused, because there was not enough drivers to spend the funds on.

Another example, comparing how digital COVID payments in South Korea were a lot simpler and faster than in paperwork-heavy Japan: https://www.bloomberg.com/news/articles/2020-05-20/in-virus-...