Musk still managed to slide in and loot a few billion dollars before they realized that Starlink can't meet their definition of "broadband." No other satellite internet could either.
That's false. SpaceX doesn't appear to have actually received any money from the FCC for this program yet, and now won't assuming this decision holds.
WISPs rely on a local enthusiastic person to make it work.
There were speed targets of 100Mbps available to 20M households. They're currently at a median of 65Mbps [1] and they already have more than 99% of the U.S. covered [2]. It's an egregious, questionable, partisan claim by the FCC that they can't reasonably be expected to hit the speed target by 2025.
[1] https://www.ookla.com/articles/us-satellite-performance-q3-2... [2] https://www.starlink.com/map?view=availability
Where politics doesn't impede the growth of municipal and co-op internet solutions, it is absolutely possible for rural communities to end up with very capable internet access.
It can work.
It's nice that your parents have a co-op that is actively rolling out such infrastructure. That's not the rule though, and the U.S. has massive swaths of low density population areas with substandard internet speeds.