The amount of human knowledge available today on youtube I think nothing will ever come close as apart from formal knowledge we have millions of small hacks improvements that would probably not been written down but have been recorded. If you are dedicated enough today you can go from being a novice to being quite proficient in 100s of different things. And every day the knowledge keeps increasing as well as improvin…
I always find video really slow and not very information dense, I don't have the patience for it. I get frustrated with the slow delivery whereas I can consume written text at my own speed. Skipping video works of course but I constantly have to "resync" my mind after a skip which happens automatically with written content. Written text can also be overly verbose and woolly but somehow I can scan through it even faster and summarise it without even thinking. It's really weird.
But it's great video exists for those who love it of course. And I think most people find video more easily accessible. I'm more of an outlier.
Fwiw I already stopped watching live TV many years ago :) All the ads, the endless game shows and talkshows with the celebs loving the sound of their own voices, no thanks.