lack of isolation isnt necessarily a insurmountable problem, as the market can still forecast, even if it is sometimes a self fulfilling prophecy. Similarly, th

lack of isolation isnt necessarily a insurmountable problem, as the market can still forecast, even if it is sometimes a self fulfilling prophecy. Similarly, this distortion does not necessarily overshadow the utility - e.g. the stock market may have insider trading, but is still an incredibly useful financial tool. They key thing to remember is that these markets can have utility beyond zero-sum betting aspect. For example, the stock market isnt just gamblers betting against each other, but is also a tool for auctioning corporate ownership and raising corporate funds.