Popular favour can change quickly and suddenly. The example Solomon gives indicates that the next generation does not view the new king’s reign positively. This king couldn’t change everything - while this was expected of him. No king can give the ideal life to his people. There are always flaws and weaknesses in his government. Relying on a new human king also does not bring about what is expected. That too is vanity and a striving after wind.
15 I saw all the living who move about under the sun, along with that youth who was to stand in the king’s place.