Bruce Eder calls this film a "revelatory account" of "the greatest international social horror of the twentieth century." While it is truly one of the greatest documentaries ever made, the true horror lies in the fact that Eder is wrong. However horrified we are at the Holocaust, it is ironically thanks to the Nazis that it is so well documented that we can be so horrified. No other equal or greater systematic genocides of the 20th century were as well documented. In fact, most other perpetrators went to great lengths to hide their unfathomable acts of mass murder. It is ironic and sad that that great films like this tend to give the impression that mass genocides such as this were rare, when in fact they happened again and again and again. The Turkish genocide of Armenians, the Soviet genocide of Ukranians, the Cambodian genocide by Pol Pot, and the Rwandan genocide ? combined with the Holocaust and many others, all these show that every decade of the 20th century, even up to the last, was filled with innocent blood. And even worse, the world usually didn't even try to stop it.
Shoah is brilliant and important. But its most important lesson has still not been learned: "Never again."