Earlier quoted context omitted.
The US is very, very big, and very, very empty compared to Europe. Outside of the I-95 corridor on the East Coast, some islands of density in the midwest, and the coastal zone of California, Oregon, Washington, it's overwhelmingly rural or uninhabited.
If low population density is the reason the USA overall doesn't have fast, cheap broadband and is behind in mobile technology, then why aren't very dense areas within the USA (or dense states like New Jersey) up to the standards of Europe and East Asia?
https://www.stateoftheinternet.com/downloads/pdfs/2015-q2-st...
Several East Asian countries--namely Japan and Korea--have placed great important on ISP speed. It's heavily subsided. America could do that, but it's a policy priority.