The Holocaust, as much a blight on human history as any other deed of forced human extinction, teaches us many things.
This is one event that you don't "get over" or "move on" from. This is one event that should not be trivialized to create analogies to petty acts of theistic crimes against man or nature.
Contrary to what greasy Iranian despots who look like the snitch on "Miami Vice" may think, the Holocaust happened, and I take comfort that in its wake there was a groundswell of Jewish social and political dominance whose cry of "Never Again" kept the issue of hate on history's front burner.
Because of the Holocaust, we look for injustices whose origination might appear insignificant, and we nip it in the bud before injustice blossoms into hate, and hate morphs into sterilization. This is the muscle memory...