Not employing colour management does NOT mean you can't get great output. It just means it's far more difficult to get CONSISTANTLY great out put. Colour management eliminated variables which makes problem solving a whole lot easier when it comes to issues with colour and output.
Sue has shown that she wants something more from her images than many. It's a matter of what"good enough" means for any individual. But the original query is directly related to colour management and without it she will continue to be frustrated.With it she'll get a fatsre, easier and more predictable output.