In the 2016, Google
published interesting overview with myths and its refutation, that can make clear your understanding of audience.
Myth 1. When people watch YouTube on their mobile devices, it’s during the day and “on the go”.
Reality: The majority of watch time on YouTube is mobile, yet many marketers still believe mobile viewing translates to short, daytime, on-the-go sessions. In fact, when it comes to YouTube viewing behavior, mobile is a lot like TV: The world watches at home, during prime time, and on horizontally oriented screens.
Myth 2. YouTube is only for watching viral videos
Reality: People get lost spending time on YouTube for a lot of reasons. Whether they want to learn, laugh, catch up on pop culture, jam out to their favorite music, or lean back for a show, people can find whatever they’re looking for on YouTube.

So, as you see, YouTube beats cabel networks. We guess the main reason is follow. With YouTube you can find demanded information
more and
easily, that with TV.