Earlier quoted context omitted.
A study found that most American millionaires lived in modest homes and drove used American cars. They made their wealth by being concerned about relatively small amounts of money because it adds up. When we think "millionaire" we think of the dream that is sold to us by Hollywood—mansions, fancy cars, endless parties. But entertainers are paid in the millions and then encouraged to live like billionaires, so that th…
Well actors have a very strong union in the US, they used to be paid peanuts. When you have that kind of labor power, your security comes from the union, not your stored wealth, so they can afford to spend because they know they will be well compensated for their work.
Acting is notorious for being a bad career choice, and the small fraction of actors who become wealthy through acting do so because of the structure of the market for entertainment (namely, fame sells tickets, so the employers of entertainers all want to hire already-famous entertainers, making it very difficult for unknown entertainers to become famous, which is necessary to start earning good money), not because of anything to do with any union.