You have the right to take part in deciding your course of treatment. You are not a passive recipient of health care. A doctor, HMO or insurance company might decide on what is easy or cost-effective rather than what is best for you if they are left to their own devices. Not only do you have a say in your course of treatment, but your immediate family has that right as well in the event that you are incapacitated.
But will current efforts succeed in redefining its future for 'meaningful use?'