Why can't I post on the new forums?
      

  I want this question asnwered Bash, you said WoW was acceptable as it has secure keys, so why arent non-active WoW owners allowed to post?Because that's just the rule for World of Warcraft licenses posting on the forums, has been since release, and it carried over to the Diablo III site since it's the same underlying Battle.net system.I..
      

http://www.blizzblues.com/us/why-cant-i-post-on-the-new-forums-27831812946.html