Lulzsec Exposed

I guess in the age of cyberworld immersion, multi-faceted pseudonymity, and other postmodern concepts, to be revealed to be a finite human being is the only form of ammunition.

Makes me think of the older times: it use to be if you wanted to prove something you swung a sword at someone's head. But because of the monopolization of violence in modern societies (relatively speaking), your armor is layers of pseudonymity, proxies, and other net paranoia; battles are taking place over virtual fields where to fall is to be exposed as a person, a regular human being (credit card, email, all pathways to "meat world" mechanics).

Sociologically interesting or am I overthinking what could be a travesty if these exposures aren't accurate (or are)?

Well, when you're out there trolling the world, the appeal of anonymity extends beyond a sociological concept. It's your only way of staying out of jail. The ability to remain anonymous is the ability to operate, and operating is the game. This gives rise to the social system you're observing, but it's very pragmatic.