they also only talk about it like it was the germans when it happened in poland and romania and bulgaria and ukraine and russia, and it wasn't just jews it was also gypsies, africans and asians and various kinds of social outcasts... the meme of nazism was present all over all of europe
prior to this, europe was a very diverse cultural mix, enclaves mostly, yes, but very diverse, some still exist today, like the Russines in serbia and romania