Production Code allows justice
When Quasimodo started pushing the blocks off of the roof and onto the crowd, many people were undoubtedly killed. Even though he did it to protect Esmeralda, I assumed that he would die at the end since the Code didn't permit anyone to get away with murder. Fortunately, that was not the case.
"Why do you find it so hard to believe?"
"Why do you find it so easy?"
"It's never BEEN easy!"