Hi Chris, you are absolutely right it is indeed a very important point I have forgotten to mention, the many code changes during the vB4 release cycle. And the bad, it looks like vB5 will continue this way or makes it even more worse for a developer.
Regarding
The Geek and
morgan/calorie, they are different persons.
The Geek is male and morgan/calorie is female, she took over his add-ons from
www.thevbgeek.com because he had to concentrate on his main (non coding) job.
But again to the question "What's going wrong with vBulletin and vB.org?", I think there are two main reasons responsible for the bad situation: vBulletin is no more the No. 1 community solution and the community spirit is gone.
As an example you can see it in this thread, the participation is near zero.
Try the same over on xenforo and you see the difference.