>Seems like a poor example. If there’s all these unused wires owned by people who are losing money, surely a startup could rent capacity on an existing network, or outright buy it if the capital was already available.
Real life examples.
https://thumbs.dreamstime.com/z/chaos-cables-wires-electric-...
Thailand doesnt have regulations in which the government picks a monopoly over a media and then forces them to provide near cost access to competitors. Typically, copper telephone vs cable vs fiber.
Therefore you get that utter mess, and there's no way those wires are properly utilized. It's a high cost to society, aesthetics aside, copper is expensive, fiber is expensive. You would be better to manage it so that you can assign those resources more efficiently.
However, this becomes 1 spot where free market no longer exists. Here in Canada we have Bell Canada who lobbied the regulator and effectively gave themselves a monopoly. The regulated market doesnt get near cost access to the wires.