The distinction between those who believe and trust in the finished work of Christ, son of God, is one group. Everyone else is in a different group. What exactly is the Pope saying? Which group is he claiming?
There’s some Vatican teaching about claiming Abraham’s faith as a Muslim and that qualifies you under the New Covenant... (not).
http://www.freerepublic.com/focus/religion/3558278/posts?page=40#40
Here is the link to the Vatican’s specious reasonings and other anti-Christ ravings, on Islam; thanks to poster kosciusko51