WHY make a fake GCHQ slide?

[Georgi Guninski]

On Mon, Oct 12, 2015 at 07:50:14AM -0400, Michael Best wrote:
> As I think I said in the other thread, less specific charges that require
> more specific proof and almost never leveled before a trial is set, because
> it forces the issue to be tried in the court of public opinion, where a lot
> of information can't be released lest it spoil an investigation or
> potential trial. There's also the fact that there'd be little to gain at
> this point by alleging that the slides are fake since there would be few
> people to believe it,
> 
> "NSA hasn't said it's fake" doesn't seem like a strong argument -
> especially for a non-NSA slide. And again - *Snowden himself* has accused
> outlets of releasing slides attributed to him that *he says he did not
> provide*.
> 
Likely the NSA would distribute fake slides just to discredit Snowden.

Does Snowden deny the authencity of this slide?

This slide appeared in _too many_ news AFAICT to get unnoticed.