"Sorry but we need to tear up this highway and disrupt traffic for the next couple of weeks to lay some fibre. I know someone else did the same thing last week but they were another company and it's illegal for the local government body to stop any of us laying stuff on public land when we want"
Obviously that extreme is untenable. You may be after something a bit more useful like unbundling, but in the US you have to explain how forcing a private company to let competitors use it's cable is not outright stalinistic communism.