Israeli army takes Gazan doctor at a hospital, tortured him, then brought him a tablet showing a livestream of his home, called in a strike that killed his six-month-pregnant wife, and made him watch until the rescue crew pulled her body from the rubble
The reddit page linked the youtube video this was from in question:
https://www.youtube.com/watch?v=qPSelnHIsw8
I think they said you should start at the 17 minute mark
Following Miz’s advice, start at the 20 minute mark
I read about the Einsatzgruppen - first wave mass-murder squads that the nazis deployed as they pushed east & west, often rounding up anyone deemed undesirable in any village they came across and shooting them in a field.
This system of serial extermination was found to be inefficient, due to the fact that the goons doing it were getting traumatised by having to personally execute thousands of people. It’s part of what led to the gas chambers - a method of killing removed enough from personal involvement that nobody feels (as much) guilt.
Impersonal, remote airstrikes - especially via drones - are a normalised modern day incarnation of the same idea.