I think there are many reasons to be skeptical of inflation and productivity statistics because they don’t seem to capture the rate of innovation in consumer goods such as smartphones and related areas like wireless plans. I wrote a piece on inflation statistics showing how U.S. inflation statistics fail to account for the quality improvement in iPhones: https://medium.com/@vince.pavlish/using-iphone-prices-to-che...
Contrarians often claim "the old version was better!" It's not clear that more features is a substantial quality improvement.