What's the advantage of having de-coordinated controls? What's the handicap?Why does everyone seem to think coordinated flight is the only type of flight that matters? There are times when you want or need un-coordinated flight, just like there are times you need to over- or under- steer a car, just like there are times you need your snow skiis to not be parallel, just like there are times you need your sailboat to be listing to one side, just like there are times you allow your phone bill to be a month past due because you really need the air conditioning not shut off in a hot summer, etc. etc. etc.
Even in a sailplane, where the overall goal is maintaining maximum efficiency, there are a hundred times when you need to throw something out of coordination for one reason or an other. Not just during landing either!