Extras was preinstalled after PR1.2 (maybe even earlier) and was renamed to maemo.org (I still have both the official and my own maemo extras testing - one is disabled of course)

And anyway the client was there. On the N9 there isn't even the indication that a community repo exists. Just a link to apps4meego would do the job almost as well. (like the installer icons on N900, although it should be preinstalled in my opinion)