Being dismissive of someone because they are an anti-vaxxer doesn't work like it used to. A lot of people have had their eyes opened due to Covid vaccine tyranny. Slate might be making a mistake calling attention to it at this point. The organization Kennedy helped to build, Children's Health Defense, does a great job of providing real scientific information. I've seen some stuff on their site I disagree with regarding Climate Change, but for the most part their website is a huge red pill.