A few things to note are that Starlink is by far the best option for airplanes and boats, and the percentage of very rural customers is probably closer to 5-10% than .1%. Putting up towers is expensive, and space is pretty close. If you want the tower to be much closer than a leo satellite, it needs to <<200 miles away, and in non-flat areas, having the signal go up gives much better results than trying to send it through a mountain.