It used to be understood in the 2nd half of the 20th century that a modern western society needs a strong middle class. That's the proof that the west actually

It used to be understood in the 2nd half of the 20th century that a modern western society needs a strong middle class. That's the proof that the west actually works, and at the time was the only way to fend off the communist hordes. I wonder what happened to that strategy?