Just in case you're wondering, that is NOT a hypothetical example for me.
If by "being principled or judging" you mean having any ethical values at all, then I don't see that it is inconsistent with striving to understand others' minds; I was asking because it appeared that the poster I was responding to thought so.
The "how it came to be" in real world history tend to be fairly long complicated story. It gets to be explained and revised literally for years after the fact, as important document start surfacing or people who were afraid to talk starts to talk. Typically it starts 20 years ago, when some journalists ended up beaten and arrested and someone's business interests something.
You can in fact study history of holocaust with principled opinion and judgement that Holocaust was bad.
I am interested in solving the long-term problem of preventing the next genocide.
You are interested in solving the short-term problem of alleviating the current one.
They are both important work. Likely they are good fits for our respective skillsets. I don't mean to stop you from solving your problem and I'm not mad at you. I don't know why you want to insult me and stop me from solving mine.
> You can in fact study history of holocaust with principled opinion and judgement that Holocaust was bad.
Yes. That's exactly what I am proposing to do.
Both of these refer to ongoing situation.
> I am interested in solving the long-term problem of preventing the next genocide.
How so? You feel we don't have huge amount of data about past genocides and desperately need new data from this one, before we can make judgements and decisions in an ongoing situation?
Why the limit of "must end up without judgement else you are immature"?
Other than that, I don't wish to defend what another poster (hans1729) said upthread as interpreted by you. My claim is simply that you should not stop trying to understand people just because you see their actions as "evil", because understanding them and how they got that way is a step on the path to having fewer people like that in future.