Net neutrality, as promoted by this article's author, requires the elimination of an open Internet because it requires a central authority which will determine who can charge what and what they can charge for.
Not to contradict your basic point with a this, but, technically, you do: through government. Corporations are creatures of law, and their governance is ultimately itself governed by rules set by the chartering government, and further constrained by the governments of jurisdictions in which the corporation seeks permission to operate.
Yes, that's the point of net neutrality. Whereas an internet with no net neutrality regulation means that corporations have final say.