As the article says, the problem set is multifaceted. Nanotrenching doesn't work, and laying infrastructure in any case is super expensive. In a green field imp

As the article says, the problem set is multifaceted. Nanotrenching doesn't work, and laying infrastructure in any case is super expensive. In a green field implementation in your privately owned parking lot, it would be an expensive undertaking in terms of material and time & motion, tooling. Now add in permitting requirements from the city to do the exact same mechanical exercise, plus coordination to shut city streets temporarily, enviro-impact studies, etc, etc, etc. Then add project managers, regulatory experts & lawyers to deal with the city and navigate it all. The costs are huge. It's annoying to me that some people gloss over the role of civil administration as a market barrier, but by its nature Telecom as an industry has high capital and expense requirements from installation to O&M. A lot of folks don't fully appreciate this until they work in the industry or like Google, try to revolutionize it.