Anyone with a basic modern education should know exactly what that phrase references. It's like pretending "that's all, folks!" doesn't immediately evoke Looney Tunes
It doesn't for people who haven't grown up with Looney Tunes. You're on a fairly international site here. Similarly, you can't expect everyone's education about the Holocaust to have covered this specific thing in a way they'd reliably remember and avoid an embarrassing mistake like that.