So either you can accept ideals will change over time, or you can force education. What do you propose is better?
Coerced education is Harm - this is unacceptable. Ideals will always change - that is inevitable evolution. What is not acceptable is people evolving to Harm each other.
Certainty is a very tough target. Persuading people to quit wasting life+resources Harming others and begin using those resources for Learning may be good enough for evolution now.