There are many reasons to deny a CEO ... in a good company structure such denials are circled back around to the board for review.
Case in point: Allowing a CEO with no flight training to "have the keys" to the company <rare, expensive, uniquely outfitted, airframe> because they want to take it for a spin.
Sheparding Royalty in Monarchies has been a neccessary, delicate, loaded, and life threatening role for centuries.
Being a C-suite Groom of the Stool isn't a happy job, but somebody has to do it.
I guess, but it’s his plane in a sense. If he wants to fly it and destroy the company, it’s his call. You just give the advice.
To be clear, I’m referring much more to CEO/owners - maybe more like Zuck than Bezos