Every service may be abused to spread misinformation. Here, the complaint isn’t that people abuse a service against the owner’s will, but that the service is operated to spread misinformation.
One way to address this could be to look at moderation. Is there meaningful moderation to limit misinformation? A service operated to spread misinformation wouldn’t moderate it.
It sounds surprising given the headline, but looks quite reasonable when looking at the details in the article: