When corporations cannot manage themselves, the government must interact by rule of law. An example of that is the sale of frequencies such as 4G. Or the prohibition of usage of certain frequencies because the government uses them for military purposes. You may agree or disagree with some of these, but they serve a purpose which in the end can be deducted to being useful for the people (ie. the military, in the end, serves the purpose to protect the people).
If the government protects the interest of the [all] the people, equally, which they do in the case of net neutrality then the government uses its vast power to keep the corporations on a leash so that [all] the people can benefit. That is not anarchism, true, because the government uses its authority against very powerful monopolies/duopolies or other power vacuums with commercial interests. It is akin to the old GPL vs BSDL debate. And if you had that debate on Usenet or Slashdot there was no consensus precisely because there's the camp who believes in an authority and the anarchistic one.