It's hard to believe just how quickly "Never Forget" was, well, forgotten. The most bizarre aspect of it has to be the prominent role being played in it by secular, leftist Jews.
In the broader Western sense, we seem to have been infected by a peculiar cultural virus that promotes this idea of Salvation Through Self-Annihilation, i.e. let's prostrate ourselves before the barbarians of the world in demonstration of our great remorse at having achieved so much more than them, because it's the only way we can redeem our original sin.