I guess we don't know exactly what was posted from the article, but I was imagining that it wasn't just "Vaccines are bad" but rather something more like "Don't

I guess we don't know exactly what was posted from the article, but I was imagining that it wasn't just "Vaccines are bad" but rather something more like "Don't open your door when the emergency vaccinators come around", which would be advocating for imminent action. I still think the only reason this wouldn't be illegal in the US is that the underlying law forcing vaccination would probably be unconstitutional, not that the First Amendment protects anti-vaxx speech indefinitely.