Quite a statement because there could be many factors at play. Type of content, density/complexity, the individual's abilities and mental state. It's certainly

Quite a statement because there could be many factors at play. Type of content, density/complexity, the individual's abilities and mental state. It's certainly true for many popular tube channels, that's for sure. Then again, I sometimes try to follow physics lectures and those make my head spin beyond the intro. Same with biology, even computers. I am not able to absorb great amounts of new info at once. Could be my age, though