The information was already released by someone else, there is no secret to keep.
Until The information has been properly declassified by the government, its still considered classified and must be treated as such by government employees. It doesnt matter if the information is posted in every grocery store, newspaper or Internet chat board in the world. What this person is saying is if you want a job with the govmnt, ya gotta be cognizant of its eccentricities. It may be silly, but such is life.