What makes you think I have no network experience?
Are you hiding behind the old FIOS guy’s apron strings here? There’s a whole lot more to a network, loadings choke points than he has spoken of so far. I was working on network designs and systems — including fiber optic networks and computing hubs when he was learning fractions, perhaps. But all that doesn’t matter.
This is a simpler issue. Can a service provider acting as a common carrier charge shippers differential rates based on the weight of what is shipped. Old established law says sure! As do the golden cornucopia principles of Liberty and free markets.