I doubt even the median HN reader can hold a dozen complex ideas in their head at the same time, certainly not for longer than 45 seconds without starting to confuse them.
Let alone the median general public.
IMO, the entire problem comes from this one lie. But you see... a lot of people wants this propaganda machine.
Also, nowadays you can stream deep journalism that people can adjust to their time availability. We usually call those "documentaries". Most of the stuff that carries that name is psychotic garbage too, but informative ones do exist.
Its simply not fun nor satisfying for most people. News isn’t to be informed for most people. It is for entertainment like any other fodder content shoehorned into some free minutes of your day. And that’s ok because as long as some technical people need to actually get things done, there is good information and data out there for you to actually learn about the world. It just will be in some dry .gov website or some other source perhaps instead of distilled down to a 2 min article written to a 6th grade reading level with a catchy headline on cnn.com, but thats OK. You will learn to appreciate the dryness and technical language.
Even if the announcers were reading complex fan fiction stories they would still need to break it up into tiny chunks.
Then there was the great culling of newspapers and magazines. It was probably the last thing longer than a paragraph that my dad actually read consistently. They mostly went online, stopped being delivered and he was forced off of the reading experience. Sure, you can seek things like that out but it was serendipitous, they got less funding, raises prices, fox continued to foxify, i don't know that he's really read anything since! I, myself, am trying with some difficulty to begin reading more. I need the concentration back