[idiotclock]

TLDR;

they are. back in the day they were charged with terrorism, principally. Among sabotage and other crimes. One of the rare examples of terrorism being used outside of either a wartime threat or leftist organization/labor union.

[thevillains]

Maybe they were back in the day but according to the Anti-Defamation League they are not today. Nor is any homegrown extremist group.