No, it's pretty much an American thing, you should learn a little American history. America has no problem killing its own citizens:

> That night, the city of Philadelphia dropped a satchel bomb, a demolition device typically used in combat, laced with Tovex and C-4 explosives on the MOVE organization, who were living in a West Philadelphia rowhome known to be occupied by men, women, and children. It went up in unextinguished flames.

https://www.vox.com/the-highlight/2019/8/8/20747198/philadel...