which is extremely easy to do. However, one must be familiar with the historical and social aspects of that era first in order to give a correct assessment of this film.
Basically, as late as the upper half of the 20th century, most nomads in the Inner Mongolia still practice the not-so-favorite parts of Ghenghis Khan tradition: enslaving other people who were financially worse than others, or simply, being taken prisoners in the clans war. Obviously, the egalitarianism in communist ideology was attractive to those slaves, and denying communists' early achievement simply because of its crimes of later era is as foolish as, and as absurd as claiming slavery was never practiced by west because right now blacks live better in west than in Africa.
Basically, as late as the upper half of the 20th century, most nomads in the Inner Mongolia still practice the not-so-favorite parts of Ghenghis Khan tradition: enslaving other people who were financially worse than others, or simply, being taken prisoners in the clans war. Obviously, the egalitarianism in communist ideology was attractive to those slaves, and denying communists' early achievement simply because of its crimes of later era is as foolish as, and as absurd as claiming slavery was never practiced by west because right now blacks live better in west than in Africa.