GDP doesn't matter much when your life will be worse than your parents'.
> US unemployment: https://www.bls.gov/charts/employment-situation/civilian-une...
Dead end jobs with little to no benefits, no pensions, time off, low pay and few hours count as "employment".
Their parents and grandparents had pensions and could work at one employer for the entirety of their careers with growth opportunities, and could afford homes and healthcare while doing so.
That was a big part of the shift in 2008.
> S&P 500: https://www.macrotrends.net/2324/sp-500-historical-chart-dat...
Doesn't matter to a kid without significant ownership of financial assets.
> US inflation rate: https://www.usinflationcalculator.com/inflation/current-infl...
Post the wages vs productivity graph for the last 20 years, it's more applicable to concerns of students and young adults.