Laying aside the issue of the monitoring of U.S. Citizens versus the monitoring of Europeans, it would seem to me that they'd need something a little more nefarious than a simple data parsing and analytics toolset to access non-public posts, yeah?

I don't Facebook, so I'm not sure if the default settings for Facebook are "Public" or "Friends Only" but I'd imagine that the bulk of what they'd principally be interested in is the "Friends Only" stuff, yeah?