If only some users are getting tagged by your group alerts, be sure to check the "Maximum mention alerts per message" permission in the users>user group permissions>[your group] menu. We had a similar issue of only some users being tagged by alerts, and increasing that fixed it for us. To be...
If you want to hack it together yourself, you can do it by adding these two lines:
library/Nobita/Promote/XenForo/ControllerPublic/Member.php :: line 126
// Sync TS3
$syncModel = $this->getModelFromCache('NixFifty_TeamSpeak_Model_Sync')...
Is it possible to revoke all user permissions if he Unlinks his identity?
Alternatively, is it possible for an admin to unlink a user account? I wasn't able to find either option.