Oh yes they are useful idiots.
Nevertheless, they are are funded by Globalists.
This is what Globalists do to start revolutions in different Countries. They are the puppet masters.
“Useful idiots” are naive, brain dead college kids and adults whom are duped into believing socialism works. The Black Bloc people are hard-core communists and anarchists actively working to overthrow the US., not unlike Abbie Hoffman, Angela Davis, et al in the 60s.