 While he has since revised his ideas somewhat, Florida originally argued that cities that wish to thrive must cater to the tastes and social preferences of artists and other urban professionals who do "creative" work, and that doing so would ultimately benefit all urban residents.Zukin called that idea "silly," countering, "A city only survives on the basis of diversity and different classes of people, all working, and it’s necessary for local government to make sure there is space for everybody in the city.