I read this sentence as Wu suggesting a hierarchy of increasing social risk: > with the growing success of populist, nationalist and even neofascist movements

I read this sentence as Wu suggesting a hierarchy of increasing social risk: > with the growing success of populist, nationalist and even neofascist movements all around the world The first, populism, is neutral; at its best it is the recognition of legitimate grievances, while at its worst it is the channeling of those grievances into tribalism. The second, nationalism, is more fraught: It is where tribalism becomes codified, and allegiance takes the place of grievance. The last, fascism, is the end-state, where tribalism enables violence against both those outside the tribe and those seen as a threat within it.