That was enough of an insult. But then he described how much of that interpretation is done. It is not done by careful study, prayer, reflection and dialogue. It is done by lot. That has created quite a fury among priests.
Priests are a fickle group.
One week later very few even remember Jesus' insult to our sacred group. Jesus is becoming outrageous. At the feast of Dedication he claimed that he is God. Some people actually believed him. He is really becoming dangerous.