And note that the point of retaining declassification authority is not to disclose information, or declassify it. It is the opposite, to resist disclosure.
Had you already seen that, C?
Not trying to argue, but I thought that the point of PS having declassification ability was so that he could selectively declassify and then leak things. That way, he could not be convicted of the crime of revealing classified info.
But perhaps there are multiple reasons.