I think the only difference between the Holocaust and the many other mass slaughters of mankind is that … there is no difference!! The Jews, though, have been verbal about it, organized and deliberate enough to not only go after the surviving war criminals, but to cause legal problems for nations who accepted the Nazi’s stolen goods, including gold from the teeth of the dead. They also have been making sure that people never forget what happened.
In most of the other mass slaughters since the holocaust, few criminals have been brought to trial, and few initiating leaders have answered for their orders to kill millions. Plus, no other slaughter deliberately built extermination camps designed only to do one thing; eliminate everyone in them. It also seems to me that while the mass exterminations in other nations have been savage and cruel, the Holocaust seemed to be the deliberate dragging out of punishment, torture, murder and all things inhumane against the Jews out of some sadistic pleasure.
No other mass murder has been as well organized nor as well detailed and prolonged as the Holocaust.
Most, after the usual sadistic torturing through intimidation, rape, mauling and beatings, are comparatively quick. The people are gathered up and killed then buried in a hole. The Jews were put in slave camps as free labor, their torture was prolonged and hideous, every sadist and freak in the German Army seemed to be there to increase their suffering from killing them at random, to killing them for sport, to killing them in experiments, to killing them slowly and painfully to ‘savor’ their agony.
We have things made out of human skin captured from the Nazi’s. We have pictures of the mounds of human gold teeth ripped from the skulls, mounds of personal jewelry, clothing, and dead stacked up like cord wood.
See, in all of the mass murders since then, for all of their horror, none has come close to what was done to the Jews. The Holocaust committed upon the Jews was not done because of ignorant, brutal, ill trained soldiers being brainwashed by propaganda, cleverly woven around old traditional hatreds, conditioned to do what they were told, like the Vietcong, the Chinese or the Russians but because of a sadistic plan created and run not by Hitler, but by the sociopathic generals he gave the order to.
From these fanatics came more sociopaths and psychopaths which spawned the demented ways to kill the Jews. The Jews were not killed in just a heated rush of animal behavior by nearly psychotic soldiers, but their fate was more hideous by being deliberately orchestrated to become one of the longest periods of carefully guided inhumane treatment for maximum sadistic delight ever known to mankind.
Even the Japanese, well known for their inhumane treatment of prisoners, operated under a code where to become a prisoner was to become something like a cowardly animal, so prisoners were not respected and often were considered a burden. They also were indoctrinated into believing that they were superior to all, that mercy was a weakness and they were to fight to the last one to protect the homeland. Their crimes against humanity, believe it or not, were actually understandable and their leaders quickly killed after the war for indoctrinating their troops to be almost mindless killers.
That is why the Japanese were not punished like the Germans. It appeared to many that the Germans liked slaughtering Jews.
No, the Holocaust is definitely something much different from the subsequent mass murders which have since followed WW2. The Holocaust was deliberately orchestrated and seemed deliberately prolonged, with cruelties beyond those seen in the horrors in some national mass murders today.