"What they do instead is impose regulatory frameworks that forbid companies that could run gig fiber networks from doing so unless they also serve markets where they would hemorrhage money."
Who cares if they're hemorrhaging money? The Public Works Administration hemorrhaged money electrifying the South. The Post Office hemorrhages money delivering to far flung rural areas. Society however has made the judgement that these costs are worth it because they promote inclusiveness and equality. You are making the opposite judgement. That judgement is inherently political.