You assholes exported Gavin McInnes and the Proud Boys to us, not the other way around. Shut the fuck up you stupid piece of shit.

Your reading comprehension needs some work. I was basically agreeing with you, but you seem more interested in being outraged, so whatever…

https://en.wiktionary.org/wiki/carnage

5. (figurative, slang) Any chaotic situation.

It also has slang usages, but I agree that in this context it shouldn’t have been used in the headline.