Oh I'm not defending the Medieval Islamic Jihad. I just don't have much affection for the Crusaders. And according to that article the main 'Christian bashing' going on is showing Saladin as enlightened for his time (he was) and the many Crusaders as being zealots (they were).
Apparently the movie lacked perspective and the proper context.
Saladin had taken counsel and laid down these ransom terms for the inhabitants of Jerusalem: each male, ten years old and over, was to pay ten besants for his ransom; females, five besants; boys, seven years old and under, one. Those who wished would be freed on these terms and could leave securely with their possessions. The inhabitants of Jerusalem who would not accept these terms, or those who did not have ten besants, were to become booty, to be slain by the army's swords. This agreement pleased the lord Patriarch and the others who had money ....
Source:
De Expugatione Terrae Sanctae per Saladinum, [The Capture of the Holy Land by Saladin], ed. Joseph Stevenson, Rolls Series, (London: Longmans, 1875), translated by James Brundage, The Crusades: A Documentary History, (Milwaukee, WI: Marquette University Press, 1962), 159-63
Copyright note: Professor Brundage informed the Medieval Sourcebook that copyright was not renewed on this work. Moreover he gave permission for use of his translations.
http://www.fordham.edu/halsall/source/1187saladin.html