So users pay for bandwidth, and then ... companies also pay for bandwidth? How is that not double dipping? More over why aren't they therefore being required to

So users pay for bandwidth, and then ... companies also pay for bandwidth? How is that not double dipping? More over why aren't they therefore being required to demonstrate that the amount users are paying is less than the costs? Surely it should be easy enough for a telco to demonstrate that they're running at a loss?