Most people, however they respond to polls, do not want to live in a truly just or fair society. They don't believe in the mythical level playing-field. What they want is a playing-field that can be tilted in their favour. Yes, the master graph shows the U.S. climbing off the chart as one of the most unequal countries in the world and the one with the greatest health and social problems. And Cuba is a good model for what can be done in terms of combining acceptable living standards with a sustainable economy. But people are willing to risk their lives to escape Cuba for a chance to live in the U.S., and not the other way around.
Social and economic equality may be better for everybody, we just don't want it. Read the rest.