How can the state prevent Internet “viewpoint foreclosure”?

Part of a series summarizing a law review article by the same author:

Nicholas J. Nugent, The Five Internet Rights - https://nugent.s3.amazonaws.com/public/Nugent+-+The+Five+Int...

(previously posted to HN but with no discussion as yet: https://news.ycombinator.com/item?id=37309248 )