Before epilepsy was understood to be a neurological condition, people believed it was caused by the moon, or by phlegm in the brain. They condemned seizures as evidence of witchcraft or demonic possession, and killed or castrated sufferers to prevent them from passing tainted blood to a new generation.
That’d be because there are people still adamant that they have Free Will, only because they’ve had that drilled into them from a young age, which is an example of their lack of Free Will…
And those who want to state their opinion on the matter, exactly as I am, because they value what others think of them, because that sociable instinct comes in-built.