The problem will not be the spectrum, the sats will likely be the bottle neck. The amount of users can scale with the amount of sats you have. You will hopeful

The problem will not be the spectrum, the sats will likely be the bottle neck. The amount of users can scale with the amount of sats you have. You will hopefully get a better signal by having many sats in your view and the ability for the network to make smart choices about where to send what when.