I believe Trumps comment strikes at the core of the whole broadcast license concept. You get caught knowingly lying, you need to lose that license.
This begs the question: Why grant a broadcast license to any company that has a history of knowingly lying and/or intentionally distorting facts? To do so would imply that there are no standards of integrity and zero expectation of any acceptance of responsibility for content that is distributed to millions of people.
In other words, why issue a license to an entity that has no regard for truth or facts, or has any intention of acting in a responsible manner?