Why somebody only posts in meaningless drive? I doubt he know anything about java.
Maybe because some of the topics posted in MD are more interesting than the 1000th post asking how to install
Tomcat, for example? I do occasionally post to and read the other forums, but I gotta tell you, I would rarely call many of the Java related topics "interesting", but that's just me. To me MD is more of a place to unwind and discuss things with like-minded people. I mean hell, I stare at Java all day, but it's not my life.
Posting mainly in MD doesn't imply you know little about Java, any more than tacking a bunch of acronyms on to the end of your sig means you are a software professional.