The final outcome is Simple it's very Simple the lazy kids of the rich without right work ethics Will lose their wealth to the smarter ones but poor people.
Who Are the rich Nations ?
The rich Nations by inheritance Are USA UK canada those Kids have no work ethics no real grinding experince and no Any life experince so If they meet with opponents with the real experinces then money from their pockets slowly Will go the those who got the real life experinces.
Not necessarily, the lazy rich can hire a lot of people who have a lot of experience in all fields and use them to work for them, this happens in many rich countries and things are going well.
Also, not all children who inherit a lot of money are lazy children. Perhaps they do not do the work with their hands, so you think that they will fail in the end. This is not always true.
This does not lead to the failure of the economic system as you think, this leads to the division of society into classes, a rich class that uses its money to run businesses and another class that has to do manual work.
Since ancient times, all societies needed the existence of these two classes, a class that uses its brains and a class that uses its hands. This is very natural.