Not in detail as the OP linked to another article. We commented on OP's other article, not on your joinjabber.org security FAQ.
> we were tired of FUD spread by articles like yours
Where is the FUD? Your security FAQ mentions most, if not all, of our findings in the same or similar way.
> Reality is more complex than a binary "is it secure?"
Indeed. Unfortunately, the vast majority of people assume security is binary. Back to OP's article where they look at some isolated properties to then declare a protocol secure.