What you say, actually supports the original premise, that companies do depend on that one person who is the shining star.
There are hundred's of billionaires, wealthy from selling their companies. How many of them thought about building a company like SpaceX, literally putting their whole fortune on one thing, which at the time, had no clear chance of success.
There are many, not potential, but actual Elons out there. Only one has the right circumstances buoy him to the place where his visions come to fruition. And those circumstances include every factor in the spectrum, from personal traits, ideas, capabilities, etc to social, economic and cultural factors.
Almost all of technological change, one that spearheads mankind's next push into the great, is driven by people with will the size of mountains. It is their will that shakes the foundations, bull dozes the old, constructs the bigger, faster, higher new.
And Intel probably lost such a person.