I think the real issue here is about accuracy in ascribing blame, if indeed the act was done by JWs. It would be technically correct to say it was done by JWs. But such statement needs to be clarified to make it known that it was done by rogue individual JWs and their action is not representative of typical JW conduct and is not encouraged or condoned by JWs as a group.
That would be making a judgment call rather than reporting facts. Subjective judgment calls are not the media's place--factual reporting is.