Canada

No you wouldn’t. Those are competitive industries, despite all the griping about Canadian banks and Rogers et al. Unless you’re going to turn Canada Post into a bank (and discontinue delivering mail) they’re not going to be viable just because you add banking service.

65% of Canada Post’s costs are the salaries of postal workers. Letter volume has dropped from 5.5 billion to less than 2 billion over the past 2 decades. Since the strike began, plans are in motion for many businesses that send a lot of mail to switch to electronic. Plenty of businesses that send out millions of letters per year are using the strike as a kick in the butt to switch to electronic. When the strike ends the volume won’t even come close to getting back to 2 billion.

Yes and yes.
I've been mentioning France's efforts to modernise their postal services, that also includes services aimed at helping older folks with daily/weekly interactions / home visits, and I think that would be a great thing to add to Canada Post rural offerings.

Public option cell and Internet I'd be very down with, especially if they reclaimed the lines they paid bell and Rogers to lay