You do realize that the inherent logic of capitalism, namely capital accumulation will always lead to this outcome. So no, if your system has some millionaires, it doesn't work, it's just at an earlier stage in the process.Wealth, shown to scale
If you have some millionaires then your system works. If you have a billionaire then your system is sick. If you have a multibillionaire--and more than one, your system is dead.