[missinglugnut]

The author wants to find content when he is looking for something specific. He does not want his attention grabbed by something he wasn't looking for, no matter how educational it may be.

Multiple people have clearly explained this to you in several comment threads and you're still insisting it makes no sense. At this point the only question is why you don't want to understand.

[eimrine]

Well, what is enough good to grab one's attention? If not Youtube, something/somebody else has to provide this function for the person. The impact Youtube does on me is like having fucking Aristotle as a teacher. Tell me please what is better.