Honestly, essentials shouldn’t be (majority) privately owned. This includes water, sewage, electricity, most roads, and internet.
To me, as the cables in the US are privately owned it seems that unless you “luck out”, you essentially have 1 realistic option for internet. I’ve been told that it’s fairly regional, so apparently it’s not so bad in the major cities.
In ~99% of NZ the internet (fibre) cables are either crown-company owned (essentially state), or joint owned by private/public. This essentially makes EVERY ISP buy their bandwidth off the cable owner. There is no ISP monopoly (only a physical cable monopoly), and just like power companies, changing ISP’s is trivial. I think a lot of europe does something similar too, and apparently some cities in the US do this too.