You also can't rule out that if they had a platform, they'd use it to incite others to resort to violence on their behalf. For example, the Unabomber's manifest

You also can't rule out that if they had a platform, they'd use it to incite others to resort to violence on their behalf. For example, the Unabomber's manifesto expresses his belief that violence was necessary to provoke revolution against the technological society. The Unabomber's bombings were the "pre-violence" required to get his ideas out there, of which of which a violent revolution was one.