Related CGP Grey video for those who haven't seen it:
I've also been doing this. In my experience, for it to be effective you have to be very vigilant about never clicking on anything you don't want it to recommend. The easy way to watch guilty pleasure videos is to right click > 'open in cognito'.
This list seems to largely exclude positive narratives. What about the Steven Pinker/ Optimists narrative that the world is basically getting better all the time?
Perhaps to see the true high level narrative, we should focus on science, technology and prosperity, only considering politics in so far as it changes the direction of their long term trends.