The government would be able to go to court with respect to newspaper articles, broadcast pieces and the like that they thought were bad or harmful or even against the government and try to block them.
It's not like learning how to hit a curve ball in baseball.
So sometimes the facts are good and sometimes the facts are bad, the important thing from the point of view of a principle as broad and important as freedom of speech is that the courts articulate and set forth in a very protective way what those principles are.