The highest rated cable news program is still a drop in the bucket. It's just not that many people. It's up there with large niche YouTube channels: popular in their space like a Linus Tech Tips or Contrapoints, but most people have never heard of them. More people watch Stephen Colbert poke fun at Fox News than watch Fox News.

Almost no one gets their news from Fox News, or cable news in general. People who do are less informed.