Or is it just that that's the chart you can find with "two minutes' googling" and so that has to be good enough because that's the amount of effort it takes to

Or is it just that that's the chart you can find with "two minutes' googling" and so that has to be good enough because that's the amount of effort it takes to find something that vaguely seems to satisfy your confirmation bias? Here's median income going back to 1975 which shows an even larger increase: https://fred.stlouisfed.org/series/MEPAINUSA672N https://fred.stlouisfed.org/series/MEPAINUSA672N