Or because Ben Shapiro told you? Or because you just think so ... and when did you start to think so? When Trump said so? And why is your view more accurate than an entire profession of professionals?
Can you point to any objective evidence for why you think the mainstream media is fake news?
It's very dangerous when we think we're right, we are the only ones who see the world correctly, and then we disregard the view of professionals and do not even consider them because they do not confirm our biases. It's something we all need to be careful about.