The United States bay be big, but it still has double the population density of New Zealand and yet New Zealand has high avaliability of cheap gigabit fibre.
"New York Votes to Kick Spectrum Cable Out of the State" https://fortune.com/2018/07/29/spectrum-communications-kicke...
"New York City sues Verizon for not completing citywide fiber network" https://techcrunch.com/2017/03/14/nyc-sues-verizon/