You're absolutely right... I don't really know where I got off the rails there. it's like I never even finished reading his post.
And you're correct that quads would not be needed for his purposes. In fact I would not even go so far as to call that truly "game ready". I guess we're just in between the two.
Most renderers have come past the back faces issues. The only thing I can suggest for them from your side is that you make efficient models. the number of polys you needs and not too many more. textures that are sufficient for use and distance. That should cover your bases.