this can't be stated like this :)
If 20 people can be replaced by 1 AI system, then to create 50 new TV stations exactly 1 AI system is needed. AI is heavy-mix-rotating the videos. Checking needs to be done once, after that the content can be used everywhere, because its checked & approved by one.
I see dark times coming for certain jobs and branches. My father still saying its a hype - I say: its not a hype anymore, when there's so much money put into. If you see it as a game, it's inescapeable, that among hundreds and thousands of game-players, one or the other find something really usefull. The "law of big numbers" in small. So it happens...