Think of it like water. Your water company doesn't care if you are flushing the toilet or taking a shower. They just give you water and charge a rate. The internet works this way now and we want to keep it that way.
Opposing net nutrality means you will end up with this: http://www.wordstream.com/images/what-is-net-neutrality-isp-...
They are going to create a "slow lane" and charge you more to use it.