The only thing that makes this guy dangerous is his millions of sycophantic viewers.
This isn't like English-speaking media where there is an awareness of liberal bias in the media and a real choice. This guy's outlet is seen by about 80% of Spanish-speaking America. So when he speaks, people believe him.
If you want to talk about the need to discredit the media, he is the first one that needs to be made an example of.