The way I see it, if you have an uneducated, irrational population, or being a significant portion of a population, they need to be managed. They shouldn't be having a say in everything, they are not qualified to have a say in most things. They are basically children. They're basically children.
So to get there, you need to basically eradicate that population by mandating education, and certain types of education. Those same people are going to resist, but really that's the only way, and you need to do that even if there is a cost.