The quote about succession planning is also a little out of context, he phrased it more that there should be continual information and responsibility sharing such that succession planning is effectively redundant or unnecessary.
I always wondered why investors were ok with not having any control due to dual structure shares and board composition. A "Great Men" theory of the world is a convenient and satisfying narrative, but it's usually not the best at explaining things. As the saying goes, "The cemeteries are full of indispensable men".
If you want Exhibit A for the moral corruption of Silicon Valley’s culture, this is it. And it’s not tied to shareholdings. It’s the quasi-monarchic strain of worship that has been poisoning Valley culture for at least a decade now.