It would be funny to me if there were no tangible outcomes. (1) contains an article on a family whose child died of measles after choosing to not give the child a vaccine. The parents were vaccinated when children, but they do not regret the decisions taken to kill their kid. Infanticide is literally not even a steep cost to maintain their individualistic world view. Can such a people be reeducated?

(1) https://www.independent.co.uk/news/world/americas/measles-outbreak-texas-child-dead-parents-anti-vax-b2718899.html