Bah!
Dollars to dimes this was yet another overly collective regex at work rather than a clever detection of various subject matters buried in the tortuous iambic pentameter and archaic phrasing.
Sigh.
British author HM Forsyth was working on a book in the British Library last week when he needed to read Shakespeare's Hamlet, so he did what anyone would do these days: he Googled it, safe in the knowledge that MIT has put the Bard's entire output online. And that's when something nasty happened: The Library's WiFi denied him …
That last bit of the article ("to thine own self be true...") was written by Will (or Francis :-), but the words were put in the mouth of Polonius, and were intended (AFAIK) to lampoon the sort of pretentious twaddle dished out by self-help gurus then as now. The fact that they are _still_ quoted, without irony, but such folks just proves the bard's point. But I would have expected Brit journos to have actually seen, or read, the play they are quoting.