It won't be the last time it's repeated. They will continue until it's written in the text books and all that's known.
The nazis were particularly fond of this methodology... and we still know how much the progressives admired the nazis.
“When an opponent declares, "I will not come over to your side," I calmly say, "Your child belongs to us already... What are you? You will pass on. Your descendants, however, now stand in the new camp. In a short time they will know nothing else but this new community.” Hitler