Why do you think people retire in their old age?

Because this is how the law covers it. they are allowed for full pension up to an age. People follow the rules. Do you know who works for money? Poor people. Rich people have money work for them. This is hard to explain to poor people. If everyone was rich and having the same mentality nobody would really work or even try to produce an equal amount of value to everyone else. You are arguing in favour of a utopia that anytime has come close to this it collapsed. History is a great example.

They keep trying to make more, because it's their obsession.

Now you are being a psychologist? a poor one.

No different than someone spending hours of every day playing World Of Warcraft. It's work that stimulates them.

Just stick to "people like having something to do".

Thing is the millionaire toilet cleaners will have a completely different idea from the millionaire CEO's.

Read my post. I put everything there in case you are lost.