Who's supposed to be the far left in this scenario? It sure as hell isn't hexbear with their unwavering support of both the Chinese and Russian governments.
The problem is they don't stay blocked, blocking the instance at user level does not block the users, defederating leaves the loophole of their posts still popping up on all when an instance that aligns with them crossposts them, also they are constantly creating alts on other instances to keep spreading shit.