The debate over the limits of acceptable speech on social media is a discussion worth having, but the claim in the article does not match the wording of the policy at hand. The policy states that users will get a strike if they claim that “the vaccines will cause you to be sick, spread the virus, or would be more harmful than getting COVID-19" (emphasis mine).
The vaccine causing the spread of the virus is different than the known fact vaccinated people, infected elsehow, could spread the virus.
The vaccine causing the spread of the virus is different than the known fact vaccinated people, infected elsehow, could spread the virus.