I can honestly say, I have not met anyone who is worth 600 million or more...If I did, I was not aware of it. And I have been around a few rich people.
I've know or have known a dozen or so people worth over $500 million. The ones who actually made the money are very down to earth people for the most part, the ones who inherited the money generally have no concept of reality.
Need a caption balloon coming out of Lurch's mouth, with a matching one coming out of his shadow's mouth that both say,
"I'm just a shadow of a real man!"