I find these kinds of questions interesting.
Originally Posted by 3point14
Mostly I think it's a neutral side effect of a particular system. On the other hand, I think it's on balance a good system, so I tend to see its side effects as more good than bad. In that sense, sure, I think having billionaires is a good thing. Trying to get rid of them would probably get rid of the things that make the underlying system a good system.
I think social policy should promote good systems, and remain agnostic about whether such a system allows for the emergence of billionaires.