Yeah so the law is a lot more nuanced then that and just because of certain legal affordances are made, certainly doesn't mean that the company is made of singular focused human beings all acting in the same way with the same goals.
Quite the opposite, the complexity is enormous there's even an entire area of study for it "Organizational Theory".
There are hundreds to thousands of other people below them working on hundreds of different things. If anything those 3 are great examples of what I'm talking about. Even Jobs wasn't the singular person making all the decisions, you should look into Jony Ives, Cook etc
Quite the opposite, the complexity is enormous there's even an entire area of study for it "Organizational Theory".