Once you start peeling back the layers of propaganda that has been fed to the world in the days after WW2, you start to see that there is much that has been embellished in order to make the case for the creation of the state of Israel. A lot of awful things happened to a lot of people of different ethnic and religious groups, and some of them were Jews. The degree to which people suffered, as well as the methods that brought them suffering are open to debate.
And what I just said, can put you in prison in many European countries and even Canada.
I met too many jews who immigrated after WWII who had numbers tattooed to buy any of it. However, Israel's expansionist policy based on religious myth doesn't help derail anti-Semitism.
Evidently they hadn't been gassed/cremated.