Indeed.

It would require major government intervention and the replacement of the existing system with something radically different. That won't happen, because the present system is dependent on maintaining itself in the style of powerbrokering it has become accustomed to.

That is to say: the richest run the show as it presently exists. Why would they choose to punish themselves when they can punish someone else (meaning the general public) instead? What despot ever voluntarily gives up his power just in order to "do the right thing"?