You are conflating "extreme inequality" and "putting more and more wealth and power into the hands of fewer and fewer monopolists and oligopolists". They are no

You are conflating "extreme inequality" and "putting more and more wealth and power into the hands of fewer and fewer monopolists and oligopolists". They are not necessarily the same thing. Since inequality does not intrinsically harm anyone (unlike crime and disease), we can only evaluate the nobility of reducing inequality by it's consequences. So what, pray tell, are the intrinsically harmful consequences of inequality?