So municipal networks are a classic example of a natural monopoly, where it's more efficient to just have a single utility network vs redundant infrastructure.
Fiber is good for this because it's both cheap and effectively future proof vs consumer needs. Also, thanks to how IP works, a municipality can build out the physical network, then offer competitive options among ISPs delivering service on it if they like.
This generally results in much better service for consumers at lower cost, which is why Comcast, Century Link, etc, have been doing all the political maneuvering they can to pre-empt voters from choosing that path.
Fiber is good for this because it's both cheap and effectively future proof vs consumer needs. Also, thanks to how IP works, a municipality can build out the physical network, then offer competitive options among ISPs delivering service on it if they like.
This generally results in much better service for consumers at lower cost, which is why Comcast, Century Link, etc, have been doing all the political maneuvering they can to pre-empt voters from choosing that path.