This attitude that dumbed-down, 10 second sound-bytes can suffice to examine and grok the nuance and existential dimensionality of the deep topics that he covers is what has lead to such pervading pollution of the information ecology. I would posit to you that you don't have time for shorter videos on these topics, and if you believe that, you will waste your life at a very low-level of communication and awareness around these topics in your attempts at a shortcut to wisdom.
Does that sound wise?
If it seems repetitious I would see if you can find the subtle differences between what occurs to you as mere repetition.
Or am I just witnessing the damage to attention-span of modern living?
There's lots wrong with this attitude IMHO, even though I am guilty of it in many ways I think that you should be able to see the quality of the messages and place them higher than a lot of other information sources that are blasting at you.