Lao Tzu said that when a person with low level of consciousness hears the truth, he curses, when a person with intermediate level of consciousness hears the truth, he is dubious, and when a person with high level of consciousness hears the truth, he rejoices.
There are good and bad sides to everything in the world. The supreme enlightenment has the highest value in itself, but at the same time it must face the worst frustration.
Enlightenment is the thing which enables people to live a better life. The enlightened person does the work of telling people the way to attain enlightenment. The enlightened one is cursed by the majority of people, who have low levels of consciousness.