Since the source document is from GCHQ (Britain's NSA, if you like) it seems valid to ask whether similar workarounds by internationalisation are in place for disinfo (which this manifestly is about, right?) as seem to be in place for collection.

Which is to say that US netizens are quite likely among the prime targets here.

The practices alluded to - a battery of psychological techniques designed to influence group dynamics of, and disrupt the sharing of information by, online communities - seem at least as suitable for controlling dissent as for action against overtly illegal activities. How does destroying the reputation of a company help with the latter, for example?

I'll tell you what though, fascinating though this is, I wish we had got the 'real poop' - materials which must surely exist for the training alluded to, fleshing out the practical details, with illustrative examples!