I have not seen this film but I've read plenty about Rudolf Hoess. He definitely got what he deserved after the war was over.
WIKI: he died at 93. Why was he allowed to live so long.
Huh? He was executed in 1947.
https://en.m.wikipedia.org/wiki/Rudolf_Höss
“Whoever fights monsters should see to it that in the process he does not become a monster. And if you gaze long enough into an abyss, the abyss will gaze back into you.”