That’s not the reason. The required build out has actually already been been paid for: https://www.huffpost.com/entry/the-book-of-broken-promis_b_5.... But the US is so politically broken that corporations could just pocket the money without actually providing the infrastructure.

That does even begin to touch on crazy laws banning people from setting up their own ISP to compete: https://www.techdirt.com/2024/11/07/16-u-s-states-still-ban-....