Saying the mainstream media is bullshit Is one thing.
Jumping from that Into thinking that he must also think Plato and the greatest minds of history have been bullshit is a nonsensical leap.
In regards to Science, I don't know what his official stance Is.
However, there Is a significant number of Instances of documented medical / scientific fraud. A lot of politics, conflicts of Interest. So while science / peer reviewed research represents an Important tool In our understanding of truth, we should still be on gaurd. Nothing Is Immune to corruption. Navigating through science these days can be a delicate game. Here's a small example of It
https://www.nytimes.com/2016/09/13/well/eat/how-the-sugar-industry-shifted-blame-to-fat.html?_r=0