There would be fewer holdouts if anti-vaccine activism would not be a lucrative market for fraudsters. But ultimately this is natural selection. Civilization kept stupid people alive, now there is a counterweight against stupidity.
Sounds sociopathic, but beyond incentives selection processes shape the world the most, and we are grossly out of shape.
Sounds sociopathic, but beyond incentives selection processes shape the world the most, and we are grossly out of shape.