Slipdigit, I think you are really mistaking on the subject : the German policy was to concentrate efficient murder factories in scarse places, and bring all the Jews they could to these places.

Widepread small industrial extermination units goes against all the moves they made during the war.

You mention the small Auschwitz satellites : none of them had integrated gas chamber / crematory installation, and the fact that, from 1942 on, the majority of the gazing occuring at Auschwitz I were transferred to big gas/crematory facilities located in Auschwitz II, because only these big facilities could provide the murder yield they wanted.

As per Dachau, you are confusing the concentration camps : Dachau / Oranienburg / Flossenbürg / Buchenwald / Auschwitz / Gross-Rosen / Stutthof / Neuengamme / Ravensbrück / Sachsenhausen / Bergen-Belsen / Mauthausen / Maïdanek / Dora / Natzwiller-Struthof

Almost none of them had gas chambers that were used during the war

And the extermination camps : Belzec Maïdanek Treblinka Sobibor Auschwitz II - Birkenau Chelmno equipped with mas murder gas/crematory complexes (Auschwitz was both a concentration and an extermination camp).

So widespreads small gas/crematory complexes theory realy goes against the way the whole murder machine was thought at the time, not even speaking of the logistical mess it would have been to connect railroads to a myriad of small camps, divide the captured Jews between them etc etc.
I just don't buy this.

I think the material issue was the Allies were far from being able to do surgical strikes at the time and hit the gas/crematory complex without blowing up the whole camps.

It might also be a mild antisemitism or indifference but I've got no elements to back up such a serious accusation, so I won't step further in this direction, even if it's a very interesting question.

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Unknown subversive activist - 20th century.