That was not the case in this scenario. I was told I would be offered the role if I came out favorable with the CEO (did he like me or not? did I jump when the said "jump"?). To me this meant that the CEO doesn't trust the people he hires. He clearly didn't trust the hiring manager's jugement and/or respected their position. The CEO delegated a task and responsibility but then felt to have to authority to override that, which maybe he does. However, that's not a culture in which I want to operate. If I was wrong, so be it, but I saw a red flag and I made a choice.
I remember from my friends who worked at Google at the time, that everyone’s always been told that “every new hire’s contract lands on Larry Page’s desk, he has to sign off on it”, and you can probably bet your bottom dollar that Larry Page didn’t spend a lot of time on each hiring package, if any.
If you can't trust the people you have hired to hire people then you shouldn't have hired them.
Yes, it usually is. But in this case the problem was that the CEO could unilaterally override the decision made by everyone else, so it wasn't just a meet-and-greet.
Generally the chat with the VIP means: "You have the job, but I (VIP) want to just double check that my underling hiring managers are not totally useless."
(And of course the CEO can override any hiring decision anyway. The question is if they will.)