I can’t speak to that specific case.
That said, you’re flagging something that is problematic. Now that we know the result and the time it took to disclose the document, people are no longer convinced that documents are revised appropriately. That is why many complainants tell us they doubt the exceptions and exclusions are applied appropriately.
In fact, at the end of an investigation, they often receive more information than at the outset, which should not be the case.