If it where not for the genral rise in good health and the prophylactic effect of universal vaccinations medical Luddites would be in much less supply.
Where is the science, once more, concerning the anticipated level of conscientious objectors.
I would put it another way. This ignorance is a consequence of vaccine's success in the past. If people were facing the diseases that vaccines were developed to prevent, they would be begging for anything that would lower their child's risk of catching one.
People have simply forgotten, or never really learned just how horrible and deadly were those diseases which we don't see anymore.