I've watched a couple minutes of a couple of his videos...He is taking the "medium" and "towards data science" approach... which is to charasmatically summarize someone elses work.... Not a bad thing, necessarily. What I think COULD be helpful to some (from what I watched) is HOW to make the dashboard display... I dont know about yall, but I really struggle making user interfaces. I'm a backend/logic guy...and dealing with browser based UIs may very well be the death of me...
Javascript, and its variants, is without a doubt the most hideous language ever created.