There is a bug in the counter on the group forums summary page that resets the count to zero if a member is ever removed -- perhaps this is related.
Incidentally, I've noticed that bugs that have long since been resolved on the main forums often persist in the group forums. Presumably, this is an indication that the forum code was split out and duplicated for the group forums and that fixes have to be explicitly ported over to that version as well.
I posted in the team South Africa forum, and on the front page I get this:
However, there are no comments in the post?