Its what all dictators do. They discredit all information except what is approved through them.
Clearly, you do not know what a dictator is.
Nor do you understand the application and purpose of the First Amendment and its founding intent. And worse, you seem to have swallowed without question such idiotic Dem memes as "Trump is being a dictator" and that the press should be "above criticism from mere voters and their elected President".
Quite frankly, reading your posts on the topic of the President is much like listening to Maxine "the Mouth" Waters waxing poetic on the impeachment process. Like her, your positions on the President are infuriating because they are based on little more than false assumptions ("Fake news" isn't real...its just something the President made up), imaginary facts (Trump is working for Putin), misunderstanding of the Constitution (The First Amendment means the President can't be critical of the Press), and an absolute derangement that precludes any coherent discussion of the President and of politics generally.
As for Dictators. Dictators arrest people, shoot them, shut down their printing machines or websites and send political opponents to re-education camps.
Dictators do not get daily slammed, dishonestly, by the media in their own country. Dictators do not get continuously investigated, berated and spied upon by the opposition party...because they have no serious opposition party.
And again, you SAY the word Dictator, but clearly don't understand what it means.