It's primarily the lack of incentives, e.g. China in 1990 compared to 2010. Communism's "time in the sun" was not really about its ideological merits. It was j

It's primarily the lack of incentives, e.g. China in 1990 compared to 2010. Communism's "time in the sun" was not really about its ideological merits. It was just something fed to the intellectuals to get them to buy into the Russian/Soviet planetary takeover. It made people believe they were fighting for a cause rather than someone else's petty interest.