Research shows that nearly every U.S. cell provider is doing throttling
Years back, I operated a small ISP to serve a need until cable broadband arrived in the community. I had to monitor overall usage and throttle clients frequently with high torrent/video usage. It was also an issue with hotspots in RV Parks/campgrounds where there was a higher ratio of video usage. There are technical limitations to spectrum/bandwidth, I'm curious why this isn't mentioned more in discussions like these?