Bandwidth Anti Net Neutraility Argument is Flawed

Network providers who oppose net neutrality claim that without the ability to prioritize traffic based on content their networks will be overwhelmed. Of course there are serious conflicts of interest that go along with that capability such as banning Skype traffic so as to encourage sales of the provides VOIP service. If the problem is a crowded network, it makes more sense to charge users based on the amount of bandwidth the use. Since many providers are already exeperimenting with such schemes, their argument against net neutrality appears disingenuous.