Millions of people either deny that the Holocaust ever happened and a great many more that it happened to the extent claimed. If things are so clear cut about the Holocaust, this would not be a subject of discussion. Some of people point to the wide range of "official" numbers, some are angry...
Your best bet would be a hard, experimental science or something else useful on a space station. Chemistry is a good one, mechanical engineering another, probably astrophysics would be a good excuse to hitch a ride on a shuttle too.
I am an "industrial head" as you say, and have been for a decade. I think most industrial heads prefer the affectionate term "rivet head". Besides, there isn't much modern purely industrial music. I like the danceable EBM acts nowadays.
Encephalon, Assemblage 23, Panzer AG (and anything else...