User blog comment:Thailog/Ep. 121 "Image" discussion/@comment-184.9.218.180-20120318025003/@comment-3465526-20120319020454

We don't actually know that the League, as such, knows Bruce Wayne is Batman. Individual League members know -- I would expect Batman to operate on a "need to know" basis just because its sensible -- if you want something secret, don't tell people.