Google Fiber was struggling for a while because cable companies are in bed with power companies and wouldn't let them run fiber through their easement areas. In fact, even cities couldn't run their own fiber.

What you envision might happen in 2100+

Google was struggling because it has the attention span of a crackle addled flea. Including leaving roads in ruins because of “shallow trenching”

https://www.cnet.com/home/internet/google-fibers-secret-weap...

https://gizmodo.com/when-google-fiber-abandons-your-city-as-...

And the HN discussion

https://news.ycombinator.com/item?id=38526745