For real applicants, it includes a Nuremberg-like trial at the end.
initially, concentration camps were often portrayed as facilities for holding people before deportation, particularly during the early stages of the Nazi regime. However, many of those detained faced harsh conditions and were subjected to forced labor or worse, as the true nature of these camps became evident over time
[...]
the Germans generally turned out to be proud and pleased that Hitler and his henchmen were putting away certain kinds of people who did not fit in, or who were regarded as 'outsiders', 'asocials', 'useless eaters', or 'criminals'
[...]
fear of arrest did not undermine public support for the camps because Germans saw the prisoners rather than the guards as criminals.
I’d guess it’s like most jobs: the job posting is bullshit and they go mostly off of recommendations. The posting is just to get people who know people to reach out to people they already know in ICE.