Would you be able to show the examples of when, how and by whom was that guzma number checked? I am not familiar with anything except the overwhelming storm of Zionist propaganda post-Six-Day War (before that, nobody respected Holocaust survivors and nobody talked about them, read The Seventh Million). In 1937, Chaim Weizmann, speaking first at the Peel Commission and then repeating his speech to the 20th Zionist Congress, claimed that the European Jewry was six million in total:

"I told the Royal Commission that the hopes of six million Jews are centered on emigration. Then I was asked: But can you bring six million to Palestine?” I replied, ’No. I am acquainted with the laws of physics and chemistry, and know the force of material factors. In our generation I divide the figure by three, and you can see in that the depth of the Jewish tragedy: two millions of youth, with their lives before them, who have lost the most elementary of rights, the right to work’.

The old ones will pass, they will bear their fate, or they will not. They are dust, economic and moral dust in a cruel world. Two millions, and perhaps less: Sche’erit Hapleta — only a remnant shall survive. We have to accept it. “