I think the shift is about scale. It's one thing to have a small set of documents. It's something else to have a very large set: the interlocking and mutually

I think the shift is about scale. It's one thing to have a small set of documents. It's something else to have a very large set: the interlocking and mutually reinforcing nature of large disclosures gives another degree of legitimacy. It also has a "dragnet" aspect to it, unlike a small targeted leak.