Not really. Whether something "works" or not is a relative thing. If it works really well compared to all the alternatives, it's not a loose definition of "work

Not really. Whether something "works" or not is a relative thing. If it works really well compared to all the alternatives, it's not a loose definition of "works." Yes, markets suffer from imperfect information and various other ailments. You can find issues with the solutions to all problems, and while it's occasionally interesting to talk about those problems, the real question is whether you can find better solutions.