Earlier quoted context omitted.
If powerful people were afraid they would be a lot less unhinged.
This isn’t how human psychology works at all.
People like Carnegie built 1500 public libraries because he knew the game. He knew that his position as part of the ultra-wealthy made him a target, and he had to toe a line. He need to maximize exploitation but not too much, so as to not cause a stir. He did a pretty good job. Some people didn't do such a good job - we don't hear about them because they and their families were murdered.
Rich people today are much safer, mostly due to people being better people and technology.