My thought is that these people think that their smarter than everyone else therefore they are justified doing anything they do. On the other hand, anyone with a billion dollars got it by making a whole lot of other people poorer. And they ate neither actually geniuses nor benevolent in any other way.
The Phillip Morris CEO makes money by hooking people onto something that isn’t good for them. Tech CEOs are very seldom any different. Anyone who says otherwise usually has a financial interest in making you believe them.