I'm responding to your claim that he says nothing about this attempt. He does, in fact, say something about this attempt. I guess perhaps you were only saying

I'm responding to your claim that he says nothing about this attempt. He does, in fact, say something about this attempt. I guess perhaps you were only saying that that particular claim says nothing about this attempt? I mean, OK, sure, but you gave a notably incomplete description of your article. From your description, one would think that he only spoke in generality about string theory and made no reply to this particular idea, when in fact he did.