Yii Hall of fame not working

I’ve noticed that there are strange things in the hall of fame of Yii. For example, the user “Uellinton” is “ranked 852 among 236,483 members”. However, he has 0 extensions, 0 wiki articles, 0 comments and 0 forum posts. How is this possible?

http://www.yiiframework.com/users/?sort=rank&page=18.

Forum posts?