What effect does the repetition of the phrase straight from the horse's mouth have in brave new world?

In "Brave New World," the repetition of the phrase "straight from the horse's mouth" highlights the society's reliance on manufactured information and controlled narratives. The phrase is used to emphasize the authority and accuracy of the information provided by the government, reinforcing the citizens' blind trust in the system and their lack of critical thinking. It serves as a tool for manipulation and maintaining social control.