What are you on about? A single provider would have to pay literally 2x their current budget to increase their 100 mile capacity assuming it was a single link.

What are you on about? A single provider would have to pay literally 2x their current budget to increase their 100 mile capacity assuming it was a single link. A larger business can do that in stages by absorbing the risks. Besides, internet isn't centralized, so you might as well manage each segment of the network as a sub-provider, only managing the financial risks at the higher level. It makes it only easier.