Antivaxxers are getting Democrats elected. Antivaxxers will continue to get Democrats elected.
We tried to stop antivaxxers from committing suicide. We failed. I'll keep trying. My hope is that pointing out how their suicide crusade is causing them to lose elections will be the thing that changes their minds.
Think about it. I'm trying to save the lives of my political opponents, some of who have announced how much they want to kill liberals. Why would I do that, if I wasn't motivated by altruism?