Skynet. (Hey, it is democratic; everyone has a say — usually in the form of a scream or a gurgle — and Skynet listens to all of them; it still does whatever it wants, of course, but that's good, as humans have shown time and time again that we can't be trusted with any decisions more important than what colour socks we're going to wear today.)
Or, failing that, Ankh-Morpork's patricianship (as long as the patrician is Havelock Vetinari): one man, one vote: the patrician is the man, and he has the vote. And mimes get the snake pit.
And horse armour.
And all their attempts at turning modding into a walled garden they could control and profit from.