Changing the graph from "Share %" to "Average Income or Wealth" shows a much more optimistic looking chart, with every country ramping upwards, almost at an exponentially positive rate. The world as a whole is moving away from poverty and quality of life is improving which IMO is the most important metric here. Far more important to the average person than the relative wealth ratios at the top vs the bottom, which ye…
when it comes to wealth (in)equality, you basically want to balance greed on one side and anger on the other. sure, allow the greedy to amass a little weath to promote their playing by the rules, but only just enough for those ends. and the other side, make sure wealth is distributed enough that people feel collectively prosperous, so we don't have riots and the like (fairer wealth distribution should come from better ways to more equally value the work of all people, not just that of gatekeepers and rent-seekers; and it should especially not come from simplistic wealth redistribution schemes like universal basic income).
wealth inequality has risen sharply over the past 50 years. whether you're a lefty or a righty, most people agree that it's time to level that playing field. there's absolutely no need to worry about stifling progress as we do that.