(Take with a pinch of salt, I don't know economics or social science.) It seems that even though economic growth raises all ships, just some more than others,

(Take with a pinch of salt, I don't know economics or social science.) It seems that even though economic growth raises all ships, just some more than others, inequality causes social unrest even if they were in a better position than before (e.g. having access to new innovations and a higher standard of living).