This article reads like an almost verbatim regurgitation of A. S. Neill's points in Summerhill, his excellent book on the school that he built and the "free school" system that he pioneered.
Neill's belief in the inherent goodness of children and the power of freedom on their development resonated strongly with me. However, Summerhill was a unique book written by an eloquent man - almost a statement of philosophy, rather than a well-researched manual. Which is fine for a pioneer. Unfortunately this article does not add anything to the subject, and is really just a reiteration of arguments made half a century ago (without even quoting the original title).