As hard as it is to believe, I've been writing about the antivaccine movement for over 12 years now, and dealing with it online for close to 17 years. If there's one thing that all that exposure to the pseudoscience, logical fallacies, misinformation, and outright hatred spewed forth by antivaccine activists on a daily basis, it's that language matters. Antivaxers know this and are constantly trying to twist language to their ends. For instance, other than hard core antivaxers who are refreshingly honest, most antivaxers really, really hate being called "antivaccine." I like to think it's…