In fact, if we had had a centralized Rwanda-like medical drone delivery network in place, I think COVID-19 vaccine distribution would’ve been much better. (Although that’s as much about centralization and organization than it is about flying electric robots...)

Last-mile delivery to medical clinics at 80mph night and day, rain or shine, straight line ignoring traffic or geography is a pretty massive advantage for just-in-time logistics... it makes the concern about deep cold chain for Pfizer much less pressing.