Fascists calling themselves anti fascists is an Alinsky tactic of which Alinsky called "Direct Action" in which you create an artificial conflict.

For example:

Alinsky: Dress Up As Members of The Ku Klux Klan

The students told Alinsky that they were thinking about picketing or disrupting Bush’s address. That’s the wrong approach, he rejoined–not very relative and besides, causing a disruption might get them thrown out of school [Not very likely-DH] He told them, instead, to go hear the speech dressed up as members of the Ku Klux Klan, and whenever Bush said something in defense of the Vietnam War, they should cheer and wave placards, reading ‘The K.K.K. supports Bush.’ And that is what the students did with very successful, attention-getting results.

https://www.google.com/amp/s/culturalsurvivalskills.me/2010/10/26/alinsky-dress-up-as-members-of-the-ku-klux-klan/amp/

"Whatever The Left Accuses You Of Doing, They Are Doing Themselves"

My first thought is, is this some kind of joke? This must be a joke?" Nunes said. "We know who colluded with Russians. They don't want to admit it, but they hired Fusion GPS that hired a British spy who went and colluded with Russians."

"So they should name themselves, and sue to find out what do they have on their servers, why didn't they give those servers to the FBI?"

https://www.realclearpolitics.com/video/ 2018/04/22/devin nuneswhatevertheleftaccusesyouofdoingtheyaredoingthemselves.html