Yes and no. It appears they are using it correctly but it was initially used more specifically as "unverified at best". https://en.wikipedia.org/wiki/Factoid ht

Yes and no. It appears they are using it correctly but it was initially used more specifically as "unverified at best". https://en.wikipedia.org/wiki/Factoid https://en.wikipedia.org/wiki/Factoid > A factoid is either an invented or assumed statement presented as a fact, or a true but brief or trivial item of news or information.