A nod to Beth Horan
I always thought that the Battle of Beth Horan, where the Jews almost annihilated a Roman Legion in 66 ACE would be a great subject to depict on screen. After the Battle of the Teutoberg Forrest, it was probably the most devastating defeat the Romans received from a subject people. Even though this battle came decades after Christ, the screenwriters must have been aware of Beth Horan, since the ambush that Barabas executes against the Romans in the film had many similarities with the actual Beth Horan battle.