Very nice article! If I may suggest another factor, land area, as a determinant.
India has 4x the population of US, sitting on 1/3rd the land mass. Since last mile connectivity is impossible with public transport in the US, cars (and until recently, cheap fuel) makes sense.
For smaller countries…

Since plastic is pretty much an inescapable part of our diets now, and since we humans are inclined to prefer selling/buying a solution rather than inconveniencing ourselves with rollbacks or preventive efforts, my prediction for big pharma is that their next big offering will be pills (or some other form)…