I don't follow the GP then. What is wrong with adjusted wages being flat? It merely means that the life quality linked to a specific job/profession stayed the same.

Quality of life might not have stayed the same; quality of life as reflected by the CPI stayed the same (which is different; CPI includes things like hedonic adjustments - and depending on the value you place on those, the result might be different).

Averages also hide very real disparities: software engineers are much better off today than they would have been 30 years ago; truckers, on the other hand, are much worse off today.