One of the best books I've read in Political Science, period. What impressed me was 1) the contrarian nature of the main argument, 2) the amount of original supporting arguments, 3) the thoroughness of the argument. It was no wonder that the authors had to recap the main argument often, due to the terrain that each chapter covered, where each recap showed how the argument was expanded and strenghthened.
Often, one can read a social science non-fiction book fairly quickly (examples: Oded Galor's book on growth, Quick Fix by Jesse Singal, Behave by Sapolsky etc.), because most examples are pretty generic and simple. This is not the case here. Rather, the reader is presented to a constant argument, that challenges itself to explain how fits to the real world - and it does so persuasively. The reader the learns a lot.
One point of critique would be the the chapter on populism. I agree with the authors that populism overall doesn't challenge the fundamental symbiosis between advanced capitalism and democracy. But I believe the authors 1) underrate culture, 2) measure/define "populism" in an interesting way.
1) Yes, we can see populism as an economic phenomenon, but the language of populism and the anti-woke movement (and vice versa, the woke movement) is remarkably similar and it's hard to surpres that some culture war is going on. The authors remark that populist leaders (i.e. Trump) don't actually policies that benefit their constituents. Yes, that is weird from the political economy view, but thinking about culture wars - and to make it academic, Fukuyama's emphasis on recognition - then it makes a lot of sense. Trump and others make people feel recognized in a world where elites scorn their very existence. Of course, we can then say income signals recognition, and the whole thing falls together, but I would rate culture higher than Soskice and Iversen (S&I).
2) S&I focus on "populist sentiments" and the degree of populists politics, rather than focussing on populist parties. This makes sense, and the analysis is on the electorate, but even though it is only a minority of the populace that have "true" populist sentiments, populist parties/candidates can still have a big effect. In Denmark, the way the right has been able to create a majority has been strongly driven by the populist party taking votes from the center-left party. As a reaction, the center-left (social democrats) have largely adopted immigration policy from the populist party, and to some extent, its cultural position, which has greatly weakened the populist party. Is populism strong or weak in Denmark? Well, perhaps few hold true "populist" sentiments, but the populist party has changed a lot of parties and changed what politicians are able to say. Perhaps that's just politics, but I believe that populism interacts with the whole system, and is not merely representing a small part of the electorate that is politically negligible (I'm harsh here, and there's a lot of nuance in the book, so do read).