Emily Litella is alive and well and living on the internet.
This is the perfect example of a rant where the premise is (easily) provably false. It's the correct plural from the French plural, dumbass.
https://www.merriam-webster.com/dictionary/agent%20provocateur
agent provocateur noun
agent pro·vo·ca·teur | \ ˈä-ˌzhäⁿ-prō-ˌvä-kə-ˈtər , ˈā-jənt-prō-ˌvä-kə-ˈtər \
plural agents provocateurs\ ˈä-ˌzhäⁿ-prō-ˌvä-kə-ˈtər , ˈā-jən(t)s-prō- \
Definition of agent provocateur
: one employed to associate with suspected persons and by pretending sympathy with their aims to incite them to some incriminating action
Examples of agent provocateur in a Sentence
The government used agents provocateurs to try to undermine the opposition party.
Recent Examples on the Web
At the same time, agents provocateurs played a significant role in the turbulence.
— Adam Hochschild, The New Yorker, 4 Nov. 2019
It is now known who that agent provocateur was that the FBI used and John Brennan used and James Clapper.
— Fox News, 17 May 2018
History and Etymology for agent provocateur
borrowed from French, literally, "provoking agent"