When governments do not build infrastructure, citizens can complain but cannot do much about it. They can pressure public officials and protest against proposed projects, but that is as far as citizen participation in city building normally goes: it is reactive, not proactive. The model of a wikicity works differently. Citizens gain control over what happens in their cities. A great example of that is Porto Alegre in Brazil!
" But listen up, JJ: As you try to restore order to everyone’s favorite universe, you must beware—the forces of mediocrity, silliness, and CGI overkill never rest. To help ensure your success, our band of rebels searched from Alderaan to Tatooine to find the 74 Things Ever Star Wars Movie Needs."