I wonder if the suffering has triggered a "this isn't going to happen to me and mine again!" attitude.
There's something to be said for how we as a society have so fully internalized the puritan idea of suffering = holiness, absolution, etc. It's absolutely everywhere you look and it is incredibly damaging every time
One of the early studies on (school) bullying identified "being bullied/abused at home" as a factor to make someone a bully at school. Kids learn how to interact with others based on their own experience, and if that is "when stronger, abuse the weak" then that is a lesson that many will heed.
Western cultural Christians need Holocaust survivors’ suffering to make said survivors’ narratives fit their “suffering leads to salvation” paradigm. This paradigm is also a self -justification because of western Christianity being the source of a ton of suffering.