Orson Scott Card is pretty horrible at commentary. It usually comes across as a one-sided, unintelligent, trollish opinion piece. Somewhat entertaining, but does little to further reasoned discourse.
For an example of *good* commentary of the lexicon situation by a professional author, go no further than Neil Gaiman's blog
Here
and
Here
You will find a polite, detailed, and thought-out response (that he most likely whacked together in under an hour).