It's because billionaires are planning on living forever.
When you are going to live forever you won't be able to keep it a secret.
Controlling 10 billion people is much different than trying to control 30 billion.
When illness and death is no longer a concern for you, your only concern will be dying at the hands of another person.
Forever is a long time.
They want the whole planet.
Right now delivery, fast food, warehouses are the big business.
Labor is big bucks. People working from home laid off so many people already.
How to take care of millions of people when there are cars that drive themselves. Robots can pack boxes. Machines can make the whole burger.