Right. By virtually every metric, the average American family is materially more prosperous than they would have been in the 1960s.

Backwards movement in QoL metrics is mostly on the left tail: impoverished Americans have access to AC and refrigerators, but often live in food deserts or are subjected to perverse policies in our social safety net (e.g. welfare cliffs that punish people for working by taking away benefits that enable them to work).