I thought of you right away when I saw this, because you are my most prolific sharer on GReader.

Who gets caught by G+ seems to be pretty random; one of the most famous people to get an account shut down for "Real Names" violation was tech columnist Violet Blue -- and Violet Blue is her legal name. Bleh.

Supposedly there is (or maybe will be, I wasn't quite clear) a robust exporting feature on GReader, but I don't really know where I'd go.