The bottom 10% didn't get worse. No one got worse. Everyone is wealthier. What happened is that the category "men w/o degrees" comprises a different percentile

The bottom 10% didn't get worse. No one got worse. Everyone is wealthier. What happened is that the category "men w/o degrees" comprises a different percentile of society. If you did everything by percentiles, rather than statistical categories, it would be obvious. Every percentile is wealthier. The data is widely available: https://ourworldindata.org/ https://ourworldindata.org/ . The general increase in wealth is extraordinary and unprecedented in human history for all of society. Dispoable income, since 1980, has increased 400% , https://tradingeconomics.com/united-states/disposable-personal-income https://tradingeconomics.com/united-states/disposable-person... . One imagines that the reasons articles like this trade in made-up statistical categories is that any straightforward analysis would reveal this; as it is overwhelming.