It's a reference to a model of growth that in itself is a reference to the challenger disaster. Basically something like a "weakest link" theory of growth https

It's a reference to a model of growth that in itself is a reference to the challenger disaster. Basically something like a "weakest link" theory of growth https://en.wikipedia.org/wiki/O-ring_theory_of_economic_development https://en.wikipedia.org/wiki/O-ring_theory_of_economic_deve... Was surprised to see this here; i think it is a good model for thinking about tech productivity