Yes, Doctorow's article talks in the end about the exceptional nature of universal computing which means that competition is always an option. But yours isn't

Yes, Doctorow's article talks in the end about the exceptional nature of universal computing which means that competition is always an option. But yours isn't a hard case of monopoly either, the main thing preventing you from creating a competing ISP is your local laws, which are failing antitrust to the point one wonders how they ever came to be ?!? (We also shouldn't discount the importance of network effects.)