Capitalism and Western democracy are still seen by many to be failing, unsatisfactory or a straight-up con.  Just look at the election of Trump and the campaign of Leith.  Supplement that with gross inequalities of wealth, income and opportunity. And don 't forget said democracies overthrowing democratically elected governments and supporting outright dictatorships and the ethnic cleansing in Israel.  As for Cuba, you now every little about the historical conditions that brought Castro to power and the real world impact of the US led embargo on the ability of Castro to create a social democracy.  Are you forgetting the constant attempts on his life by the CIA in the service of American Corporations and Cuba's 1%?  Get an education that steps outside right wing propaganda.