My only complaint is that the PDF is formatted for print and uses typographic ligatures. To me, HTML-first makes sense for anything intended for widespread digital sharing. Reflowing and screen reading text are minimum design accommodations for a large number of people because of physical or hardware limitations.

Or to put it another way, I think that over the long run, such features are more important than the license because there are non-technical work arounds for the license that don't require duplicated effort.