Plus, the Ottoman Empire did the dirty deed. That empire consisted of a fair number of provinces which are now reconfigured as various states.
Which state do we condemn? Or, do we condemn all of them? Who should be punished? How should they be punished?
After WWI it was determined that the Ottoman Empire should be destroyed, carved up into smaller states, then the people who lived there punished through the imposition of various dictatorships.
What more should be done?
. . . plus one long time military adviser: The German Army.
There is more than ample proof of Germany's complicity why not include Germany? One source is 'German Responsibility in the Armenian Genocide: A Review of the Historical Evidence of German Complicity' by Vahakn N. Dadrian.