In the video Randy addresses this very point. In his delivery #1 and #2 are actually part of the same point. He explains that true mastery of something, even un

In the video Randy addresses this very point. In his delivery #1 and #2 are actually part of the same point. He explains that true mastery of something, even unrelated, shows the mindset needed to dig in to a hard problem that's never been solved before. That leads into the discussion of failure and the persistence required to overcome failure and reach mastery. Not too far away from your advice regarding fundamentals.