The very least Francis could be doing is raising theological questions on the assertions made in the Islamic codex (which is their code of observance and behavior) known as Sharia, Beginning with this question
http://www.theusmat.com/islamandfreewill.htm
Instead of reaching out to and defending what Judeo/Christian beliefs are. Challenging the claims that Islamist make they are following Gods command when ruthlessly murdering and torturing non believers and destroy their edifices. Parties with suppressors of the faith.
Frankie knows he is not on the side of real Catholics. So, it should not be surprising that he tries to make nice with the Church's mortal enemies.