I've gone on to read more of his work and agree the data is from, "WEIRD societies: Western, educated, industrialized, rich, and democratic." (i.e. a lot of small study groups from ivy league schools) -- but nevertheless found the book enjoyable and useful
I became excited with Jordan Peterson's first videos and bought his book "12 rules" when it came out. I skimmed it and... I'm literally using it as a footrest. Peterson is a powerful speaker but has little content.
Older books:
(a) Have stood the test of time.
(b) Typically arose in a time where intellectual celebrity fermented in core intellectual circles first, and only then popularized.
Kahneman and Tversky have their share of technical contributions but were catapulted to thought leaders (and Nobel-Sveriges Bank prize winners) due to classic tokenism: someone from psychology or behavioral science had to win. The same just happen to someone two rungs below their level, Esther Duflo.
If she comes out with a popular book, don't buy it. Read Polanyi's "The Great Transformation", if inclined to left-ish ideas, or Richard Powers' novel "Gain", otherwise.