No, this incident has every airline in the country revising their policies on how to handle this in the future. There will definitely be higher/better compensation (compensation that is actually an incentive) to surrender a ticket. They’ll go out of their way to make sure that they have these issues settled BEFORE any passenger is seated and buckled up. That is a good thing.
Yes, they'll probably change their contract of carriage to "We can throw you off anytime we want, for whatever reason we want, even if the plane is already in the air."