Yep Snopes is horrible. Their take on Susan Rosenberg is priceless. They pose the question, "Did a ‘Convicted Terrorist’ Sit on the Board of a BLM Funding Body?", they give a rating of "mixture", despite Susan Rosenberg being active with groups who bombed U.S. government buildings and being convicted and imprisoned for possession of weapons and hundreds of pounds of explosives.

https://www.snopes.com/fact-check/blm-terrorist-rosenberg/

What's True Susan Rosenberg has served as vice chair of the board of directors for Thousand Currents, an organization that provides fundraising and fiscal sponsorship for the Black Lives Matter Global Movement. She was an active member of revolutionary left-wing movements whose illegal activities included bombing U.S. government buildings and committing armed robberies. What's Undetermined In the absence of a single, universally-agreed definition of "terrorism," it is a matter of subjective determination as to whether the actions for which Rosenberg was convicted and imprisoned — possession of weapons and hundreds of pounds of explosives — should be described as acts of "domestic terrorism."