The British used to think in the XI-XII centuries that the possessions of their king on the continent are his personal possessions, from which England does not receive income. When the unpopular King John Lackland lost Normandy to Philip II, the people of England did not help the unfortunate king and then overthrew him from the throne.
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.