text: Hmmm, the fact progressives didn't seem to have a freak out over cardinals slow walking  Benedict's Summorum Pontificum lead me to believe it's not about fealty to the pope, but rather wanting to keep the near monopoly the practice of versus populum has in the Ordinary Form.  
  
  Of course, liturgical East being a concept, ad orientem is not an improper term. I would suggest another name for this practice could be "priests and people facing the altar together." And nobody begrudges the Eastern rites celebrating Divine Liturgy as orientem.