This Is Nazi Brutality" Lidice poster
The pattern
This still is filed under Us-versus-them positioning.
Define
The buyer is invited into a side. The product is what we use. The named other is what we refuse.
Mechanism
Identity contrast. Choosing the offer is choosing a group. The out-group does as much work as the claim.
Verdict
The category is crowded
Why it works
It leverages the enemy's own words as undeniable proof of their evil. The cold, bureaucratic tone of the telegram contrasts shockingly with the horrifying fate of the people and the bleak visual of the hooded man.
Steal this when
You want to expose an opponent's wrongdoing by letting their own undeniable, matter-of-fact statements condemn them.