This story can have multiple interpretations
1. People spend their life's earnings on their kids only to find them holding good positions but not cultured
2. This can be a take on people's ability to hold a good position in government office without the basic sense
3. A teacher is supposed to turn a donkey/naive person (kid) into a man (educated person) who is able to make their name in society.
Review of Gadhedo: Donkey
