5) I think a lot of them truly don't understand that although they are rich, they are not WEALTHY. A friend of mine on the west coast works for some insurance type company, that has a lot of celebrities as clients. Low level clients in their portfolio would include individuals like Brad Pitt. High level clients would be CEO's of companies and private equity moguls, who have hundreds of millions and even billions, at their disposal.
Look at some of the net worth of the athletes mentioned in the article. A lot, topping off at "only" 30 million or so (which ends up being a lot less, after taxes)