"Why does the intelligent have an obligation to dedicate his or her life to the creation of maximal value for society?" What does intelligence have to do with

"Why does the intelligent have an obligation to dedicate his or her life to the creation of maximal value for society?" What does intelligence have to do with it? Sweeping the streets is an honorable job and makes the world a little nicer. Writing a botnet for spammers isn't and doesn't.