I was under the impression that Hungarian was largely not recommended. I find it's redundant in strong static systems, and unhelpful in duck-typed systems.
The author teaches courses on Journalism. Agree with the logical style all you want, professional journalism is written according to style guides, and those style guides more often than not dictate American Style punctuation. In this case, "the real world" includes the newspapers his students wish to end up employed at.
In the case of a professor taking marks off for punctuation issues when writing essays on history or economics or engineering, I agree that's wasteful.