No matter how smart your upper classes they cannot compensate for lower classes. No matter how wealthy your upper classes they cannot compensate for lower classes.
If you engineer nearly perfect humans you will end up with around 140 IQ’s. (maybe). And it’s expensive. And so what? They don’t behave any better than people with 105 IQ’s.
Nothing can protect you from the evil 80’s and awful 70’s. You have to get rid of them.
Eugenics lesson of the day.