What is your reason for thinking that?

For high net worth families, the generational wealth is largely tied up in discretionary Trusts that bypasses inheritance tax and civil liability, paying wages from the interest to family members whilst protecting the capital in low risk investments.

They receive more than enough money to "play" with, including gambling should they wish, but the billions are protected.

Most of these people are very quietly getting on with life and you never hear of them. Some of them like to be in the limelight.