They hint that it's stylographic, the details of which would not make terribly interesting reading. Still, I wish they could have picked out something, rather than irrelevant stuff about what a massive undertaking it was.

If they've got nothing more than "We ran it through the algorithm and this is what it popped out", then I'm not really all that interested in their conclusion. Stylometry provides hints but if you can't back it up with some sort of historiographic argument then it doesn't really inform history much.