The problem is that you can learn many things, but time is limited. Learning and understanding abstract concepts won't make you more successful, increase your SMV and give you access to better mating opportunities.

What's the use of arcane knowledge about prime numbers if you are not mathematician, and even then, one should question its importance?

Time is often better spent learning about crucial factors of success such as goal-setting and self-discipline. Additionally I would say that learning about social skills like human interaction, power dynamics, and body language is a more productive use of time.

And what about focusing on the tasks that you really need to or want to do?

Note: I often watch those kinds of videos, but I feel bad about it because I know it's procrastination. In my daily life, I almost never use this kind of knowledge.