It seems that the very promising Google module's development is dead. The module was build directly after Google API's were opened and was - at that time - state of the art.
In busy forums, moderation can be a useful tool for gently enforcing good behavior. Drupal is pretty flexible in its support for moderation, but it could go farther to make moderation more effective.
Linking vocabularies to specific content types (page, story, project etc) is great, and what I think is one of the best features of drupal. However, there are definitely elements of this implementation that could be improved.