As hard as some of the incumbents work to convince local elected officials that muni networks are a bad idea, more and more success stories are emerging over time.
Broadband Communities magazine has a great story about Fairlawn, Ohio's Gig fiber network.
It really is worth your time to read the whole article, as the network has been an enormous success, raising property values, attracting new residents to the city, and bringing new jobs and businesses into the community. And it is in the black--covering operating expenses and the steady increase in revenue is planned to start paying off the debt.