"Also, is it not true that in the Orthodox Church, the Patriarchs CAN remove offending bishops?"
Its the Patriarchal Synod which would do this, not the Patriarch on his own. We of course have an excellent example of this in the fairly recent removal of Spyridon as the Archbishop of the Greek Orthodox Archdiocese of America. In the Patriarchate of Jerusalem we have the recent example of the Synod there removing the Patriarch himself.
Thanks, Kolo. That clarifies things.