Earlier quoted context omitted.
Isn't this argument basically, "governments are prone to being co-opted by special interests, therefore we should go ahead and give away the farm to Comcast"?
The problem of government isn't simply that they can be co-opted by special interests. It's that they have a near-monopoly on the ability to implement policies using the threat of violence, and that ability can be co-opted by special interests. The guy who runs the gas station down the street could also be co-opted by special interests, but I'm not particularly worried about that, because he has very little ability t…
Does Comcast calmly decide to talk to them about them nonviolently, or does it call in mass State violence to get back control?
You assume a separation between property rights and State power that doesn't exist. They're two sides of the same coin. Capital and property rights don't exist in opposition to the State, but in a mutually-dependent complex of institutions and learned practices.
That doesn't mean you have to throw out one or the other, or both. But it's fair for people to try to change the norms that govern relations between them in a way that generates the social outcomes they prefer.