I agree that it is very easy for this to lead to a bad situation for customers. But that subsidizing model still applies. You know how much it costs to connect

I agree that it is very easy for this to lead to a bad situation for customers. But that subsidizing model still applies. You know how much it costs to connect a cable line to a house? That wiring costs 100s-1000s of dollars per house (why FioS went to apartment buildings first). Of course the end users are getting subsidies.