Regulation is a benign-sounding concept, and in fact natural regulation is a necessity for all life.
When one of the numerous feedback loops in the body goes awry, disease or even death results. Diabetes is one obvious example. Prices are signals of the value that human beings place on various things. When prices are allowed to fluctuate freely, supply and demand are brought into equilibrium. The powers are vested in a bureaucracy that enjoys sovereign immunity and has no accountability to an electorate.