A movement is better terminology than an organization, fair.
But okay - I'm confused what sources you would accept? There are "Antifa" groups on social media that literally advocate for doing this, I've seen it first-hand.
Sure, but since anyone can claim the term, what is to stop someone from creating a false flag group on social media to make them look bad?
Sure, but since anyone can claim the term, what is to stop someone from creating a false flag group on social media to make them look bad?