Yes. It is useful to think of them as destructive cults (with political and/or religious orientations) which advocate the use of violence. Any pyramid structured authoritarian group which uses deception and mind control to recruit and indoctrinate their followers is a destructive cult.
Members of terrorist organizations are programmed to think in simplistic black and white, us-versus-them terms. They depersonalize and demonize their enemies.
It is crucial that we understand how cults function in order to help neutralize this grave threat to the world.