If internet is a fundamental human right, then over the air broadband should be perfectly acceptable. In which case there are a ton of competitive options across the US. Unless the argument is that a specific type of internet access at a specific speed is a human right.
Yes, a specific minimum speed would be required, otherwise you could claim IP over Pigeon or Postal Service would be sufficient.
Also cost would play a role. LTE typically has restrictive caps and high costs, especially for at-home/hotspot internet. Someone having a 15 - 60 minute teledoc video conference with their doctor shouldn't blow through half their monthly data allowance.
Never underestimate the bandwidth of a station wagon full of tapes hurtling down the highway. You can get a very respectable average speed out of the postal service.
Latency is an oft-neglected metric. You can browse the web on a satellite internet connection with a 200ms ping, but it's anywhere from bad to unusable for a lot of other applications.
