If you learn anything from the last 30 years, it's this - propaganda works. If you own the media and you're coordinated enough, you effectively can't lose; you completely own the framing of every debate.
A year or 3 ago, it was a conspiracy theory to acknowledge this.
Thankfully I think the attitude is changing quite a bit and people are coming to realise that it's not good if all of our communications are controlled by a group of people with the same beliefs