Castiglione thought that the ruling class should follow a standard of conduct.
Machiavelli believed that the rulers must look like they are generous but that they must do what they need to do to keep order.
The answer for your question above would be : Banned the teaching of them
Araxagoras' does not believe the conservative Athenians belief regarding their gods. Back then, this was seen as a form of insult so they banned Araxagoras Teaching
It was justified because he did what anyone else with the opportunity would do. His businesses practices were creating monopolies and trusts but what he was doing wasn't illegal up to a certain point in time when the courts decided to intervene. They all did it and they all became immeasurably wealthy. The government responded by introducing new laws to prevent such trusts and the labor was unsatisfied because they controlled everything.
C due to the fact that they needed to do that